oewn-Chelonethida-n oewn-order_Chelonethida-n oewn-Pseudoscorpionida-n oewn-order_Pseudoscorpionida-n oewn-Pseudoscorpiones-n oewn-order_Pseudoscorpiones-n


small nonvenomous arachnid resembling a tailless scorpion


minute arachnid sometimes found in old papers


oewn-Pedipalpi-n oewn-order_Pedipalpi-n oewn-Uropygi-n oewn-order_Uropygi-n


nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger


large whip-scorpion of Mexico and southern United States that emits a vinegary odor when alarmed


oewn-Araneae-n oewn-order_Araneae-n oewn-Araneida-n oewn-order_Araneida-n


predatory arachnid with eight legs, two poison fangs, two feelers, and usually two silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey


a spider that spins a circular (or near circular) web


spiders that spin orb webs; cosmopolitan in distribution


the type genus of Argiopidae; small genus of orb-weaving spiders


a widely distributed North American garden spider


oewn-Aranea-n oewn-genus_Aranea-n oewn-Araneus-n oewn-genus_Araneus-n

a genus of orb-weaving spiders including common garden spiders and barn spiders


an orange and tan spider with darkly banded legs that spins an orb web daily

the barn spider was made famous in E. B. White's book `Charlotte's Web'


spider having a comb-like row of bristles on each hind foot


venomous New World spider; the female is black with an hourglass-shaped red mark on the underside of the abdomen


large hairy tropical spider with fangs that can inflict painful but not highly venomous bites


ground spider that hunts its prey instead of using a web


large southern European spider once thought to be the cause of tarantism (uncontrollable bodily movement)


American spider that constructs a silk-lined nest with a hinged lid


any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals


ticks having a hard shield on the back and mouth parts that project from the head


a northeastern tick now recognized as same species as Ixodes scapularis


a tick that usually does not bite humans; transmits Lyme disease spirochete to dusky-footed wood rats


a tick that feeds on dusky-footed wood rat and bites humans; principal vector for Lyme disease in western United States especially northern California


parasitic on mice of genus Peromyscus and bites humans; principal vector for Lyme disease in eastern United States (especially New England); northern form was for a time known as Ixodes dammini (deer tick)


parasitic on sheep and cattle as well as humans; can transmit louping ill in sheep (acute viral disease of the nervous system); a vector for Lyme disease spirochete


bites humans; a vector for Lyme disease spirochete


a species of hard-bodied tick; transmits Lyme disease spirochete to cottontail rabbits and wood rats (Ixodes dentatus)


a species of hard-bodied tick; transmits Lyme disease spirochete to cottontail rabbits and wood rats (Ixodes spinipalpis)


vectors of important diseases of man and animals


common tick that can transmit Rocky Mountain spotted fever and tularemia


tick lacking a dorsal shield and having mouth parts on the under side of the head


any of numerous very small to minute arachnids often infesting animals or plants or stored foods


mites, including some mole mites (e.g. the grain mite) (Acaridae)


very small free-living arachnid that is parasitic on animals or plants; related to ticks


mites, also known as red velvet mites or rain bugs (Trombidiidae)


mite that in all stages feeds on other arthropods


mites, also known as berry bugs, harvest mites, red bugs, scrub-itch mites and aoutas (Trombiculidae)


mite that as nymph and adult feeds on early stages of small arthropods but whose larvae are parasitic on terrestrial vertebrates


oewn-harvest_mite-n oewn-chigger-n oewn-jigger-n oewn-redbug-n

larval mite that sucks the blood of vertebrates including human beings causing intense irritation


type genus of the family Sarcoptidae: itch mites


any of several mites of the order Acarina


whitish mites that attack the skin of humans and other animals


any of several varieties of mite that burrow into plants and cause a reddish-brown discoloration on the leaves or fruit


web-spinning mite that attacks garden plants and fruit trees


small web-spinning mite; a serious orchard pest


used in some classifications to encompass the millipedes (Diplopoda) and centipedes (Chilopoda); formerly a large taxon including also the Pauropoda and Symphyla; the term Myriapoda now usually used synonymously with Diplopoda and limited to the millipedes


general term for any terrestrial arthropod having an elongated body composed of many similar segments: e.g. centipedes and millipedes


an obscure class of minute arthropods with branched antennae and 8 to 10 pairs of legs


small class of minute arthropods; unimportant except for the garden centipede


oewn-garden_centipede-n oewn-garden_symphilid-n oewn-symphilid-n oewn-Scutigerella_immaculata-n

minute arthropod often infesting the underground parts of truck-garden and greenhouse crops


in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx


arthropods having the trunk composed of numerous somites each bearing one pair of legs: centipedes


chiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being modified as prehensors


the anterior pair of legs of a centipede that are modified to seize prey and inject venom from the toxicognaths


either of a pair of poison fangs in the modified front pair of legs of the centipede


an appendage of insects that is capable of injecting venom; usually evolved from the legs


long-legged centipede common in damp places as e.g. cellars


small elongate centipedes living in soil and under stones and having more than 30 pairs of legs


small extremely elongate centipedes that live in earth


type genus of the Geophilidae: a cosmopolitan genus of centipedes sometimes called earwigs


oewn-Diplopoda-n oewn-class_Diplopoda-n oewn-Myriapoda-n oewn-class_Myriapoda-n

arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes


any of numerous herbivorous nonpoisonous arthropods having a cylindrical body of 20 to 100 or more segments most with two pairs of legs


any of various small spiderlike marine arthropods having small thin bodies and long slender legs


used in some classifications; includes the orders Xiphosura and Eurypterida


oewn-horseshoe_crab-n oewn-king_crab-n oewn-Limulus_polyphemus-n oewn-Xiphosurus_polyphemus-n

large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse


horseshoe crab of the coast of eastern Asia


extinct aquatic arthropods of the Paleozoic


large extinct scorpion-like arthropod considered related to horseshoe crabs


wormlike arthropod having two pairs of hooks at the sides of the mouth; parasitic in nasal sinuses of mammals


pheasants, turkeys, grouse, partridges, quails, chickens, brush turkeys, curassows, hoatzins


heavy-bodied largely ground-feeding domestic or game birds


a domesticated gallinaceous bird thought to be descended from the red jungle fowl


an English breed of large domestic fowl having five toes (the hind toe doubled)


English breed of compact domestic fowl; raised primarily to crossbreed to produce roasters


small plump hybrid developed by crossbreeding Plymouth Rock and Cornish fowl


any of several breeds reared for cockfighting


Asian breed of large fowl with dense plumage and feathered legs


small Asiatic wild bird; believed to be ancestral to domestic fowl


a jungle fowl of southeastern Asia that is considered ancestral to the domestic fowl


a domestic fowl bred for flesh or eggs; believed to have been developed from the red jungle fowl


the fleshy red crest on the head of the domestic fowl and other gallinaceous birds


a young domestic cock; not older than one year


a hen that has just laid an egg and emits a shrill squawk


oewn-brood_hen-n oewn-broody-n oewn-broody_hen-n oewn-setting_hen-n oewn-sitter-n


American breed of heavy-bodied brownish-red general-purpose chicken


American breed of chicken having barred grey plumage raised for meat and brown eggs


English breed of large chickens with white skin


type genus of the Meleagrididae: wild and domestic turkeys


large gallinaceous bird with fan-shaped tail; widely domesticated for food


oewn-turkey_cock-n oewn-gobbler-n oewn-tom-n oewn-tom_turkey-n


a genus of birds of the family Meleagrididae including the ocellated turkey


wild turkey of Central America and northern South America


popular game bird having a plump body and feathered legs and feet


grouse of which the male is bluish-black


large northern European grouse that is black with a lyre-shaped tail


oewn-greyhen-n oewn-grayhen-n oewn-grey_hen-n oewn-gray_hen-n oewn-heath_hen-n


large Arctic and subarctic grouse with feathered feet and usually white winter plumage


oewn-red_grouse-n oewn-moorfowl-n oewn-moorbird-n oewn-moor-bird-n oewn-moorgame-n oewn-Lagopus_scoticus-n

reddish-brown grouse of upland moors of Great Britain


type genus of the Tetraonidae: capercaillies


oewn-capercaillie-n oewn-capercailzie-n oewn-horse_of_the_wood-n oewn-Tetrao_urogallus-n


North American grouse that feeds on evergreen buds and needles


large grouse of sagebrush regions of North America


valued as a game bird in eastern United States and Canada


oewn-sharp-tailed_grouse-n oewn-sprigtail-n oewn-sprig_tail-n oewn-Pedioecetes_phasianellus-n

large grouse of prairies and open forests of western North America


brown mottled North American grouse of western prairies


the most common variety of prairie chicken


a smaller prairie chicken of western Texas


any of several large turkey-like game birds of the family Cracidae; native to jungles of tropical America; resembling the curassows and valued as food


large crested arboreal game bird of warm parts of the Americas having long legs and tails; highly esteemed as game and food


a genus of guans (turkey-like arboreal birds valued as game and food birds)


genus of large crested guans (the piping guans)


slender arboreal guan resembling a wild turkey; native to Central America and Mexico; highly regarded as game birds


oewn-megapode-n oewn-mound_bird-n oewn-mound-bird-n oewn-mound_builder-n oewn-scrub_fowl-n

large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs


oewn-mallee_fowl-n oewn-leipoa-n oewn-lowan-n oewn-Leipoa_ocellata-n

Australian mound bird; incubates eggs naturally in sandy mounds


black megapode of wooded regions of Australia and New Guinea


Celebes megapode that lays eggs in holes in sandy beaches


a kind of game bird in the family Phasianidae


type genus of the Phasianidae: the typical pheasants


large long-tailed gallinaceous bird native to the Old World but introduced elsewhere


common pheasant having bright plumage and a white neck ring


large brilliantly patterned East Indian pheasant


brightly colored crested pheasant of mountains of western and central Asia


a popular North American game bird; named for its call


a favorite game bird of eastern and central United States


small game bird with a rounded body and small tail


brilliantly colored pheasant of southern Asia


genus of Central and South American crested partridges resembling quails; sometimes placed in a distinct subfamily or isolated in a distinct family


very large terrestrial southeast Asian pheasant often raised as an ornamental bird


male peafowl; having a crested head and very large fanlike tail marked with iridescent eyes or spots


plump chunky bird of coastal California and Oregon


brilliantly colored Asian pheasant having wattles and two fleshy processes on the head


oewn-Perdicidae-n oewn-subfamily_Perdicidae-n oewn-Perdicinae-n oewn-subfamily_Perdicinae-n


oewn-Hungarian_partridge-n oewn-grey_partridge-n oewn-gray_partridge-n oewn-Perdix_perdix-n


common western European partridge with red legs


California partridge; slightly larger than the California quail


oewn-Numididae-n oewn-subfamily_Numididae-n oewn-Numidinae-n oewn-subfamily_Numidinae-n

guinea fowl and related birds of Africa and Madagascar


a west African bird having dark plumage mottled with white; native to Africa but raised for food in many parts of the world


type genus of the Opisthocomidae: hoatzins


oewn-hoatzin-n oewn-hoactzin-n oewn-stinkbird-n oewn-Opisthocomus_hoazin-n

crested ill-smelling South American bird whose young have claws on the first and second digits of the wings


heavy-bodied small-winged South American game bird resembling a gallinaceous bird but related to the ratite birds


sand grouse, pigeons, doves, extinct dodos and solitaires


a cosmopolitan order of land birds having small heads and short legs with four unwebbed toes


extinct heavy flightless bird of Mauritius related to pigeons


extinct flightless bird related to the dodo


wild and domesticated birds having a heavy body and short legs


one of a breed of pigeon that enlarge their crop until their breast is puffed out


type genus of the Columbidae: typical pigeons


pale grey Eurasian pigeon having black-striped wings from which most domestic species are descended


oewn-band-tailed_pigeon-n oewn-band-tail_pigeon-n oewn-bandtail-n oewn-Columba_fasciata-n

wild pigeon of western North America; often mistaken for the now extinct passenger pigeon


oewn-wood_pigeon-n oewn-ringdove-n oewn-cushat-n oewn-Columba_palumbus-n

Eurasian pigeon with white patches on wings and neck


the common European wild dove noted for its plaintive cooing


greyish Old World turtledove with a black band around the neck; often caged


wild dove of the United States having a mournful call


domesticated pigeon raised for sport or food


fancy domestic pigeon having blue-and-white plumage and heavily muffed feet


pigeon that executes backward somersaults in flight or on the ground


gregarious North American migratory pigeon now extinct


pigeon-like bird of arid regions of the Old World having long pointed wings and tail and precocial downy young


sandgrouse of Europe and Africa having elongated middle tail feathers


Eurasiatic sandgrouse with a black patch on the belly


an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets


usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds


coextensive with the order Psittaciformes


type genus of the Psittacidae: usually restricted to the African grey


commonly domesticated grey parrot with red-and-black tail and white face; native to equatorial Africa


a genus of Psittacidae, containing the Amazon parrots (Amazona)


long-tailed brilliantly colored parrot of Central America and South America; among the largest and showiest of parrots


a genus of Psittacidae containing two extant parrot species from New Zealand and two extinct parrot species from Norfolk Island, Australia and Chatham Island, New Zealand, respectively (Nestor)


oewn-Kakatoe-n oewn-genus_Kakatoe-n oewn-Cacatua-n oewn-genus_Cacatua-n

a genus of Psittacidae containing the cockatoos, found from the Philippines and Wallacea east to the Solomon Islands and south to Australia (Kakatoe, Cacatua)


white or light-colored crested parrot of the Australian region; often kept as cage birds


white cockatoo with a yellow erectile crest


white Australian cockatoo with roseate tinged plumage


a genus of Psittacidae containing the cockatiel, quarrion, or weiro (Nymphicus)


oewn-cockateel-n oewn-cockatiel-n oewn-cockatoo_parrot-n oewn-Nymphicus_hollandicus-n

small grey Australian parrot with a yellow crested head


a genus of Psittacidae, containing the lovebirds (Agapornis)


small African parrot noted for showing affection for their mates


small brightly colored Australasian parrots having a brush-tipped tongue for feeding on nectar and soft fruits


a genus of Loriinae, containing parrots native to Australia (Glossopsitta)


a genus of Loriinae, containing the lorikeets (Trichoglossus)


oewn-parakeet-n oewn-parrakeet-n oewn-parroket-n oewn-paraquet-n oewn-paroquet-n oewn-parroquet-n

any of numerous small slender long-tailed parrots


a genus of Psittacidae which contains the Central and South American macaws (Conuropsis)


extinct parakeet whose range extended far into the United States


a genus of Psittacidae, containing the budgerigar, common pet parakeet, or shell parakeet (Melopsittacus)


oewn-budgerigar-n oewn-budgereegah-n oewn-budgerygah-n oewn-budgie-n oewn-grass_parakeet-n oewn-lovebird-n oewn-shell_parakeet-n oewn-Melopsittacus_undulatus-n

small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors


a genus of Psittacidae, commonly known as Afro-Asian ringnecked parakeets (Psittacula)


birds having zygodactyl feet (except for the touracos)


any of numerous European and North American birds having pointed wings and a long tail


common cuckoo of Europe having a distinctive two-note call; lays eggs in the nests of other birds


a genus of Cuculidae containing cuckoos which live in the Americas (Coccyzus)


North American cuckoo; builds a nest and rears its own young


speedy largely terrestrial bird found from California and Mexico to Texas


a genus of Cuculidae, commonly known as coucals (Centropus)


Old World ground-living cuckoo having a long dagger-like hind claw


Australian bird with a tail like a pheasant


oewn-touraco-n oewn-turaco-n oewn-turacou-n oewn-turakoo-n


a group of usually colorful birds including rollers, kingfishers, hornbills, hoopoes, motmots, bee eaters, and todies


term used in some classifications as nearly equivalent to the order Coraciiformes


chiefly short-legged arboreal nonpasserine birds that nest in holes


Old World bird that tumbles or rolls in flight; related to kingfishers


common European blue-and-green roller with a reddish-brown back


Madagascan roller with terrestrial and crepuscular habits that feeds on e.g. insects and worms


a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves


nonpasserine large-headed bird with a short tail and long sharp bill; usually crested and bright-colored; feed mostly on fish


small kingfisher with greenish-blue and orange plumage


a genus of birds of the family Alcedinidae


greyish-blue North American kingfisher with a chestnut band on its chest


a large kingfisher widely distributed in warmer parts of the Old World


Australian kingfisher having a loud cackling cry


colorful chiefly tropical Old World bird having a strong graceful flight; feeds on especially bees


bird of tropical Africa and Asia having a very large bill surmounted by a bony protuberance; related to kingfishers


any of several crested Old World birds with a slender downward-curved bill


pinkish-brown hoopoe with black-and-white wings


type and only genus of the family Phoeniculidae


tropical African bird having metallic blackish plumage but no crest


a family of birds of the order Coraciiformes commonly known as the motmots, which includes the kingfishers, bee-eaters, and rollers (Momotidae)


tropical American bird resembling a blue jay and having greenish and bluish plumage


a family of birds of the order Coraciiformes commonly known as the todies, which includes the kingfishers, bee-eaters, and rollers (Todidae)


tiny insectivorous West Indian bird having red-and-green plumage and a long straight bill


nonpasserine bird having long wings and weak feet; spends much of its time in flight


swifts; in former classifications included in the order Coraciiformes


a small bird that resembles a swallow and is noted for its rapid flight


common European bird with a shrieking call that nests chiefly about eaves of buildings or on cliffs


a genus of Apodidae, containing the chimney swift (Chateura)


American swift that nests in e.g. unused chimneys


a genus of Apodidae, containing the swiftlets (Collocalia)


swift of eastern Asia; produces the edible bird's nest


birds of southeast Asia and East Indies differing from true swifts in having upright crests and nesting in trees


tiny American bird having brilliant iridescent plumage and long slender bills; wings are specialized for vibrating flight


a genus of thornbills, containing the rainbow-bearded thornbill, bronze-tailed thornbill, olivaceous thornbill, rufous-capped thornbill, and blue-mantled thornbill (Chalcostigma)


a genus of thornbills, namely the black-backed thornbill and the purple-backed thornbill (Ramphomicron)


any of various South American hummingbirds with a sharp pointed bill


mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects


large whippoorwill-like bird of the southern United States


American nocturnal goatsucker with grey-and-white plumage


a genus of Caprimulgidae, containing the nighthawks (Chordeiles)


mainly nocturnal North American goatsucker


a genus of Caprimulgidae, containing the common poorwill (Phalaenoptilus)


insectivorous bird of Australia and southeastern Asia having a wide frog-like mouth


type and sole genus of the family Steatornithidae


nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter


woodpeckers, jacamars, puffbirds, barbets, honey guides, toucans


any of numerous nonpasserine insectivorous climbing birds usually having strong bills for boring wood


bird with strong claws and a stiff tail adapted for climbing and a hard chisel-like bill for boring into wood for insects


a genus of Picidae, containing woodpeckers primarily found in North America (Picoides)


small North American woodpecker with black and white plumage and a small bill


a genus of Picidae, containing the flickers (Colaptes)


large flicker of eastern North America with a red neck and yellow undersurface to wings and tail


southwestern United States bird like the yellow-shafted flicker but lacking the red neck


western United States bird with red undersurface to wings and tail


a genus of Picidae containing the ivory-billed woodpeckers or ivorybills (Campephilus)


large black-and-white woodpecker of southern United States and Cuba having an ivory bill; nearly extinct


a genus of Picidae, containing woodpeckers found in the New World (Melanerpes)


black-and-white North American woodpecker having a red head and neck


a genus of Picidae, containing the sapsuckers (Sphyrapicus)


small American woodpecker that feeds on sap from e.g. apple and maple trees


eastern North American sapsucker having a pale yellow abdomen


Old World woodpecker with a peculiar habit of twisting the neck


a genus of Picidae containing the piculets (Picumnus)


small woodpeckers of South America and Africa and East Indies having soft rounded tail feathers


small brightly colored stout-billed tropical bird having short weak wings


brownish tropical American bird having a large head with fluffed out feathers


small bird of tropical Africa and Asia; feeds on beeswax and honey and larvae


tropical American insectivorous bird having a long sharp bill and iridescent green or bronze plumage


brilliantly colored arboreal fruit-eating bird of tropical America having a very large thin-walled beak


coextensive with the order Trogoniformes


forest bird of warm regions of the New World having brilliant lustrous plumage and long tails


large trogon of Central America and South America having golden-green and scarlet plumage


very rare Central American bird; the national bird of Guatemala


wading and swimming and diving birds of either fresh or salt water


swimming birds having heavy short-legged bodies and bills with a horny tip: swans, geese, ducks


used in some especially older classifications; coextensive with the family Anatidae


small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs


any of various ducks of especially bays and estuaries that dive for their food


any of numerous shallow-water ducks that feed by upending and dabbling


type genus of the Anatidae: freshwater ducks


wild dabbling duck from which domestic ducks are descended; widely distributed


a dusky duck of northeastern United States and Canada


any of various small short-necked dabbling river ducks of Europe and America


common teal of Eurasia and North America


freshwater duck of Eurasia and northern Africa related to mallards and teals


a widgeon the male of which has a white crown


oewn-shoveler-n oewn-shoveller-n oewn-broadbill-n oewn-Anas_clypeata-n

freshwater duck of the Northern Hemisphere having a broad flat bill


long-necked river duck of the Old and New Worlds having elongated central tail feathers


Old World gooselike duck slightly larger than a mallard with variegated mostly black-and-white plumage and a red bill


reddish-brown stiff-tailed duck of North America and northern South America


oewn-bufflehead-n oewn-butterball-n oewn-dipper-n oewn-Bucephela_albeola-n

small North American diving duck; males have bushy head plumage


large-headed swift-flying diving duck of Arctic regions


North American wild duck valued for sport and food


heavy-bodied Old World diving duck having a grey-and-black body and reddish head


North American diving duck with a grey-and-black body and reddish-brown head


oewn-scaup-n oewn-scaup_duck-n oewn-bluebill-n oewn-broadbill-n

diving ducks of North America having a bluish-grey bill


large scaup of North America having a greenish iridescence on the head of the male


oewn-lesser_scaup-n oewn-lesser_scaup_duck-n oewn-lake_duck-n oewn-Aythya_affinis-n

common scaup of North America; males have purplish heads


an undomesticated duck (especially a mallard)


oewn-wood_duck-n oewn-summer_duck-n oewn-wood_widgeon-n oewn-Aix_sponsa-n

showy North American duck that nests in hollow trees


showy crested Asiatic duck; often domesticated


a genus of Anatidae containing two species of duck (Cairina)


large crested wild duck of Central America and South America; widely domesticated


any of various large diving ducks found along the seacoast: eider, scoter, merganser


duck of the Northern Hemisphere much valued for the fine soft down of the females


large black diving duck of northern parts of the Northern Hemisphere


a common long-tailed sea duck of the northern parts of the United States


mergansers and closely related diving birds


oewn-merganser-n oewn-fish_duck-n oewn-sawbill-n oewn-sheldrake-n

large crested fish-eating diving duck having a slender hooked bill with serrated edges


common merganser of Europe and North America


common North American diving duck considered a variety of the European goosander


widely distributed merganser of America and Europe


smallest merganser and most expert diver; found in northern Eurasia


small North American duck with a high circular crest on the male's head


web-footed long-necked typically gregarious migratory aquatic birds usually larger and less aquatic than ducks


very large wild goose of northeast Asia; interbreeds freely with the greylag


oewn-greylag-n oewn-graylag-n oewn-greylag_goose-n oewn-graylag_goose-n oewn-Anser_anser-n

common grey wild goose of Europe; ancestor of many domestic breeds


North American wild goose having dark plumage in summer but white in winter


oewn-brant-n oewn-brant_goose-n oewn-brent-n oewn-brent_goose-n

small dark geese that breed in the north and migrate southward


oewn-honker-n oewn-Canada_goose-n oewn-Canadian_goose-n oewn-Branta_canadensis-n

common greyish-brown wild goose of North America with a loud, trumpeting call


European goose smaller than the brant; breeds in the far north


used in some classifications for the swans


a genus of Anatidae, containing the Coscoroba swan (Coscoroba)


large white South American bird intermediate in some respects between ducks and swans


stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult


a genus of Anatidae, containing the swans (Cygnus)


soundless Eurasian swan; commonly domesticated


common Old World swan noted for its whooping call


swan that nests in tundra regions of the New and Old Worlds


North American subspecies of tundra swan having a soft whistling note


Eurasian subspecies of tundra swan; smaller than the whooper


large pure white wild swan of western North America having a sonorous cry


large Australian swan having black plumage and a red bill


gooselike aquatic bird of South America having a harsh trumpeting call


type genus of the Anhimidae; horned screamers


screamer having a hornlike process projecting from the forehead


distinguished from the horned screamer by a feathery crest on the back of the head


largest crested screamer; native to southern Brazil and Argentina


warm-blooded vertebrates characterized by mammary glands in the female


any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk


animals that nourish their young with milk


any mammal with prominent tusks (especially an elephant or wild boar)


primitive oviparous mammals found only in Australia and Tasmania and New Guinea


coextensive with the subclass Prototheria


the most primitive mammals comprising the only extant members of the subclass Prototheria


a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to Australia


a burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants and termites; native to New Guinea


type genus of the family Ornithorhynchidae


oewn-platypus-n oewn-duckbill-n oewn-duckbilled_platypus-n oewn-duck-billed_platypus-n oewn-Ornithorhynchus_anatinus-n

small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae


generalized extinct mammals widespread during the Jurassic; commonly conceded to be ancestral to marsupial and placental mammals


primitive pouched mammals found mainly in Australia and the Americas


coextensive with the subclass Metatheria


mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried


nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America


omnivorous opossum of the eastern United States; noted for feigning death when in danger; esteemed as food in some areas; considered same species as the crab-eating opossum of South America


small marsupials of southern South America


terrestrial marsupials of southern South America that resemble shrews


any of various agile ratlike terrestrial marsupials of Australia and adjacent islands; insectivorous and herbivorous


oewn-rabbit-eared_bandicoot-n oewn-rabbit_bandicoot-n oewn-bilby-n oewn-Macrotis_lagotis-n

bandicoot with leathery ears like a rabbit


any of several herbivorous leaping marsupials of Australia and New Guinea having large powerful hind legs and a long thick tail


type genus of the family Macropodidae: typical kangaroos and wallabies


very large greyish-brown Australian kangaroo formerly abundant in open wooded areas


any of various small or medium-sized kangaroos; often brightly colored


a small wallaby having a height of 30 inches


small Australian wallaby that resembles a hare and has persistent teeth


small wallabies with a horny nail on the tip of the tail


slender long-legged Australian wallabies living in caves and rocky areas


small reddish-brown wallabies of scrubby areas of Australia and New Guinea


arboreal wallabies of New Guinea and northern Australia having hind and forelegs of similar length


small kangaroo of northeastern Australia


any of several rabbit-sized ratlike Australian kangaroos


small furry Australian arboreal marsupials having long usually prehensile tails


type genus of the family Phalangeridae: cuscuses


woolly-haired monkey-like arboreal marsupial of New Guinea and northern Australia


a genus of Phalangeridae containing the brushtail possums (Trichosurus)


a genus of Phalangeridae containing flying phalangers or wrist-winged gliders (Petaurus)


nocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the body


a genus of Phalangeridae containing the feathertail glider (Acrobates)


oewn-koala-n oewn-koala_bear-n oewn-kangaroo_bear-n oewn-native_bear-n oewn-Phascolarctos_cinereus-n

sluggish tailless Australian arboreal marsupial with grey furry ears and coat; feeds on eucalyptus leaves and bark


burrowing herbivorous Australian marsupials about the size of a badger


dasyures; native cats; pouched mice; banded anteaters; Tasmanian devils


small carnivorous nocturnal marsupials of Australia and Tasmania


type genus of the family Dasyuridae: native cats


any of several more or less arboreal marsupials somewhat resembling martens


carnivorous arboreal cat-like marsupials of Australia and Tasmania


oewn-thylacine-n oewn-Tasmanian_wolf-n oewn-Tasmanian_tiger-n oewn-Thylacinus_cynocephalus-n

rare doglike carnivorous marsupial of Tasmania having stripes on its back; probably extinct


small ferocious carnivorous marsupial having a mostly black coat and long tail


any of numerous small sharp-nosed insectivorous marsupials superficially resembling mice or rats


oewn-numbat-n oewn-banded_anteater-n oewn-anteater-n oewn-Myrmecobius_fasciatus-n

small Australian marsupial having long snout and strong claws for feeding on termites; nearly extinct


type genus of the family Notoryctidae: comprising solely the marsupial mole


small burrowing Australian marsupial that resembles a mole


all mammals except monotremes and marsupials


oewn-placental-n oewn-placental_mammal-n oewn-eutherian-n oewn-eutherian_mammal-n

mammals having a placenta; all mammals except monotremes and marsupials


mature male of various mammals of which the female is called `cow'; e.g. whales or elephants or especially cattle


mature female of mammals of which the male is called `bull'


young of various large placental mammals e.g. whale or giraffe or elephant or buffalo


mature male of various mammals (especially deer or antelope)


mature female of mammals of which the male is called `buck'


small insect-eating mainly nocturnal terrestrial or fossorial mammals


small velvety-furred burrowing mammal having small eyes and fossorial forefeet


amphibious mole of eastern North America having pink fleshy tentacles around the nose


mole of southern Africa having iridescent guard hairs mixed with the underfur


a genus of shrew moles, containing the Anderson's shrew mole, the gracile shrew mole, the inquisitive shrew mole, and the Chinese shrew mole (Uropsilus)


slender mole having a long snout and tail


a genus of shrew moles, containing the American shrew-mole (Neurotrichus)


greyish-black shrew mole of the United States and Canada


small mouselike mammal with a long snout; related to moles


type genus of the family Soricidae: shrews


commonest shrew of moist habitats in North America


a genus of fairly large shrews with fairly short tails (Blarina)


North American shrew with tail less than half its body length


any of several small semiaquatic shrews usually living near swift-flowing streams


widely distributed Old World water shrew


small brown shrew of grassy regions of eastern United States


type genus of the family Erinaceidae: hedgehogs


small nocturnal Old World mammal covered with both hair and protective spines


small often spiny insectivorous mammal of Madagascar; resembles a hedgehog


type genus of the family Tenrecidae: tenrecs


prolific animal that feeds chiefly on earthworms


type genus of the family Potamogalidae: otter shrews


amphibious African insectivorous mammal that resembles an otter


posterior part of the back of a domestic fowl


a forked bone formed by the fusion of the clavicles of most birds


layer of cells that secretes the chitinous cuticle in e.g. arthropods


the light horny waterproof structure forming the external covering of birds


down feather of young birds; persists in some adult birds


a supplementary feather (usually small) on the underside of the base of the shaft of some feathers in some birds


one of the long curved tail feathers of a rooster


feathers covering the body of an adult bird and determining its shape


tuft of small stiff feathers on the first digit of a bird's wing


the downy feathers of marabou storks are used for trimming garments


the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft


one of the parallel filaments projecting from the main shaft of a feather


membrane connecting the toes of some aquatic birds and mammals


long slender feather on the necks of e.g. turkeys and pheasants


a long narrow feather on the back (saddle) of a domestic fowl


growth of hair or wool or fur covering the body of an animal


coarse hairs that form the outer fur and protect the underfur of certain mammals


dense coat of fine silky hairs on mammals (e.g., cat or seal or weasel)


thick soft fur lying beneath the longer and coarser guard hair


a part lying on the lower side or underneath an animal's body

the warbler has a white throat and underparts


long coarse hair growing from the crest of the animal's neck


a lock of a horse's mane that grows forward between the ears


a filamentous projection or process on an organism


a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile


a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin


any of the stiff bony spines in the fin of a fish


a stiff hollow protective spine on a porcupine or hedgehog


small spiny outgrowth on the wings of certain insects


a sharp-pointed process especially a sting of a hymenopterous insect


a slender bristlelike or tubular process


small needlelike appendage; especially the feeding organ of a tardigrade


a minute hairlike projection on mucous membrane


a stiff chitinous seta or bristle especially of an annelid worm


a long stiff hair growing from the snout or brow of most mammals as e.g. a cat


hairlike structure especially on the surface of a cell or microorganism


a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted


the tough natural covering of some organisms


tough more-or-less rigid protective covering of an animal or plant


a flattened rigid plate forming part of the body covering of many animals


scale of the kind that covers the bodies of fish


a protective structure resembling a scale


large bony or horny plate as on an armadillo or turtle or the underside of a snake


hard plate or element of the exoskeleton of some arthropods


a shield-like plate on the front of an insect's head


oewn-carapace-n oewn-shell-n oewn-cuticle-n oewn-shield-n

hard outer covering or case of certain organisms such as arthropods and turtles


(zoology) the part of a turtle's shell forming its underside


the hard largely calcareous covering of a mollusc or a brachiopod


one of the paired hinged shells of certain molluscs and of brachiopods


the entire one-piece shell of a snail and certain other molluscs


a hard outer covering as of some amoebas and sea urchins


the thin conical chambered internal shell (either straight or curved) of a belemnite


ridge-like ingrowth of the exoskeleton of an arthropod that supports internal organs and provides attachment points for muscles


outer sheath of the pupa of certain insects


a hard protective sheath (as secreted by certain protoctists, for example)


the saclike body cavity of a coelenterate


any animal lacking a backbone or notochord; the term is not used as a scientific classification


any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge


multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera


coextensive with the subkingdom Parazoa: sponges


primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies


any cell or one-celled organism equipped with a flagellum


any of the flagellated cells in sponges having a collar of cytoplasm around the flagellum; they maintain a flow of water through the body


sponges with siliceous spicules that have six rays; choanocytes are restricted to finger-shaped chambers


a siliceous sponge (with glassy spicules) of the class Hyalospongiae


a deep-water marine sponge having a cylindrical skeleton of intricate glassy latticework; found in the waters of the East Indies and the eastern coast of Asia


multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system


any animal of the subkingdom Metazoa; all animals except protozoans and sponges


oewn-Cnidaria-n oewn-phylum_Cnidaria-n oewn-Coelenterata-n oewn-phylum_Coelenterata-n

hydras, polyps, jellyfishes, sea anemones, corals


radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms


the flat ciliated free-swimming larva of hydrozoan coelenterates


one of two forms that coelenterates take (e.g. a hydra or coral): usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth

in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase


one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles


coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes


any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans


any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle


coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes


colonial coelenterates having the polyp phase dominant


small tubular solitary freshwater hydrozoan polyp


a floating or swimming oceanic colony of polyps often transparent or showily colored


small creatures resembling pieces of fuzzy rope; each with a cluster of swimming bells serving as the head and long elastic tentacles for drawing in prey


large siphonophore having a bladderlike float and stinging tentacles


colonial siphonophore of up to 130 ft long


sessile hydroid that forms feathery colonies


feathery colony of long-branched stems bearing stalkless paired polyps


oewn-Anthozoa-n oewn-class_Anthozoa-n oewn-Actinozoa-n oewn-class_Actinozoa-n

a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed


sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed


oewn-Actiniaria-n oewn-order_Actiniaria-n oewn-Actinaria-n oewn-order_Actinaria-n


marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton


a genus of sea anemone common in rock pools


corals and sea anemones having eight branches


type genus of the family Pennatulidae: sea pens


marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs


oewn-Gorgonacea-n oewn-suborder_Gorgonacea-n oewn-Gorgoniacea-n oewn-suborder_Gorgoniacea-n


corals having a horny or calcareous branching skeleton


corals having a treelike or fan-shaped horny skeleton


corals of especially the Mediterranean having pink or red color used for ornaments and jewelry


corals having calcareous skeletons aggregations of which form reefs and islands


massive reef-building coral having a convoluted and furrowed surface


coelenterate genus of order Madreporaria, including staghorn corals


large branching coral resembling antlers


a genus comprising the usual mushroom corals


flattened disk-shaped stony coral (usually solitary and unattached)


comb jellies; sea acorns; a small phylum formerly considered a class of Coelenterata


a locomotor organ consisting of a row of strong cilia whose bases are fused


biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb


ctenophores lacking tentacles; comprises one genus: beroe


delicately iridescent thimble-shaped ctenophores


oewn-Cydippida-n oewn-order_Cydippida-n oewn-Cydippidea-n oewn-order_Cydippidea-n oewn-Cydippea-n oewn-order_Cydippea-n

ctenophores having two long pinnate tentacles


ctenophore have long tentacles and flattened body


the family of sea gooseberries (Pleurobrachiidae)


a genus of sea gooseberries (Pleurobrachia)


ctenophore having a rounded body with longitudinal rows of cilia


ctenophore having short tentacles; one family


coextensive with the order Cestida; ctenophores having a greatly flattened and elongated body


ctenophore having a ribbon-shaped iridescent gelatinous body


ctenophore having tentacles only in the immature stage; body compressed vertically having two large oral lobes and four pointed processes


ciliated comb-like swimming plate of a ctenophore


any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae


worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes


any of various insects or larvae or mollusks that bore into wood


phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms


any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines


arrowworms: a group of small active transparent marine worms


any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth


chief genus of Chaetognatha including the largest arrowworms


marine worms resembling the sagittas but with a broader body and only one pair of lateral fins


parasitic or free-living worms having a flattened body


free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts


parasitic flatworms having external suckers for attaching to a host


tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage


a family of Trematoda containing 5 genera (Fasciolidae)


a genus of Fasciolidae, containing the liver flukes (Fasciola)


flatworm parasitic in liver and bile ducts of domestic animals and humans


a genus of Fasciolidae containing the trematode Fasciolopsis buski (Fasciolopsis)


fluke that is parasitic on humans and swine; common in eastern Asia


a family of Trematoda containing 12 genera (Schistosomatidae)


type genus of the family Schistosomatidae: blood flukes


flatworms parasitic in the blood vessels of mammals


a class of parasitic flatworms (Cestoda)


ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates


a genus containing six parasitic species of cyclophyllid tapeworms (Echinococcus)


tapeworms whose larvae are parasitic in humans and domestic animals


type genus of the family Taeniidae: tapeworms


tapeworms parasitic in humans which uses the pig as its intermediate host


oewn-Nemertea-n oewn-phylum_Nemertea-n oewn-Nemertina-n oewn-phylum_Nemertina-n


oewn-ribbon_worm-n oewn-nemertean-n oewn-nemertine-n oewn-proboscis_worm-n

soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract


slender animal with tentacles and a tubelike outer covering; lives on the deep ocean bottom


minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton


oewn-Nematoda-n oewn-phylum_Nematoda-n oewn-Aschelminthes-n oewn-phylum_Aschelminthes-n

unsegmented worms: roundworms, threadworms, eelworms


one of two subgroups of Nematoda used in some classification systems


one of two subgroups of Nematoda used in some classification systems, comprises worms having typically papillose sensory organs, phasmids, lateral cervical papillae, and simple lateral sensory depressions at the anterior end which resemble pores (Phasmidia)


unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic


large roundworms parasitic in intestines of vertebrates


type genus of the family Ascaridae: roundworms with a three-lipped mouth


a family of nematode worms containing eight genera, including the one consisting of pinworms (Oxyuridae)


small threadlike worm infesting human intestines and rectum especially in children


any of various small free-living plant-parasitic roundworms


oewn-Anguillula-n oewn-genus_Anguillula-n oewn-Turbatrix-n oewn-genus_Turbatrix-n


oewn-vinegar_eel-n oewn-vinegar_worm-n oewn-Anguillula_aceti-n oewn-Turbatrix_aceti-n

minute eelworm that feeds on organisms that cause fermentation in e.g. vinegar


a family of Nematoda, containing the subfamilies Atylenchinae, Boleodorinae, Ecphyadophorinae, Tylenchinae, and Tylodorinae (Tylenchidae)


oewn-wheatworm-n oewn-wheat_eel-n oewn-wheat_eelworm-n oewn-Tylenchus_tritici-n


parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles


parasitic bloodsucking roundworms having hooked mouth parts to fasten to the intestinal wall of human and other hosts


slender threadlike roundworms living in the blood and tissues of vertebrates; transmitted as larvae by biting insects


parasitic roundworm of India and Africa that lives in the abdomen or beneath the skin of humans and other vertebrates


segmented worms: earthworms, lugworms, leeches


worms with cylindrical bodies segmented both internally and externally


small primitive marine worm lacking external segmentation and resembling polychaete larvae


hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body


oewn-earthworm-n oewn-angleworm-n oewn-fishworm-n oewn-fishing_worm-n oewn-wiggler-n oewn-nightwalker-n oewn-nightcrawler-n oewn-crawler-n oewn-dew_worm-n oewn-red_worm-n

terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers


small annelid worms with the posterior end modified into an adhesive sucker; especially formerly regarded as modified leeches


type genus of the Branchiobdellidae: a small worm that lives on the gills or surface of a crayfish attached by a sucker


oewn-polychaete-n oewn-polychete-n oewn-polychaete_worm-n oewn-polychete_worm-n

chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles


marine worms having a row of tufted gills along each side of the back; often used for fishing bait


any of several large worms having a broad flattened body with a mat of coarse hairs covering the back


marine burrowing or tube-forming polychete worms usually having long thick bodies


type genus of Terebellidae; tube-forming marine polychete worms with many filamentous tentacles


genus of soft-bodied polychete marine worms


a segmented marine worm with bright red body; often used for bait


hermaphroditic aquatic or terrestrial or parasitic annelids


carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end


large European freshwater leech formerly used for bloodletting


gastropods; bivalves; cephalopods; chitons


invertebrate having a soft unsegmented body usually enclosed in a shell


small class of bilaterally symmetrical marine forms comprising the tooth shells


any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing


either the outer margin or the inner margin of the aperture of a gastropod's shell


oewn-Gastropoda-n oewn-class_Gastropoda-n oewn-Gasteropoda-n oewn-class_Gasteropoda-n


a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes


any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior


an abalone found near the Channel Islands


scorpion shells of shallow tropical waters of the eastern hemisphere


any of numerous tropical marine snails that as adults have the outer lip of the aperture produced into a series of long curved spines


any of various edible tropical marine gastropods of the genus Strombus having a brightly-colored spiral shell with large outer lip


land snails including the common edible snail and some pests


freshwater or marine or terrestrial gastropod mollusk usually having an external enclosing spiral shell


any of several inedible snails of the genus Helix; often destructive pests


serious garden pest having a brown shell with paler zigzag markings; nearly cosmopolitan in distribution


any of various terrestrial gastropods having an elongated slimy body and no external shell


any of several creeping marine gastropods with a spirally coiled shell: whelks, tritons, moon shells, neritids


operculate seasnail of coastal waters with a short spiral shell


a neritid gastropod having a short smooth or spirally ridged shell with thick usually toothed outer lip and toothed operculum


gastropod having reddish toothlike projections around the shell opening; of the Caribbean area


ornately marked and brightly colored snails of brackish waters


large carnivorous marine gastropods of coastal waters and intertidal regions having a strong snail-like shell


tropical marine gastropods having beautifully colored spiral shells


marine gastropods having smooth rounded shells that form short spires


type genus of the family Littorinidae: periwinkles


any of various usually marine gastropods with low conical shells; found clinging to rocks in littoral areas


a family of marine limpets, containing the sea snails or true limpets (Patellidae)


type genus of the family Patellidae: common European limpets


a family of marine limpets, containing the keyhole limpets and slit limpets (Fissurellidae)


type genus of the family Fissurellidae: keyhole limpets


marine limpet having a conical shell with an opening at the apex


type genus of the family Ancylidae: river limpet


minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants


gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs, sea butterflies, sea hares


comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug


any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body


oewn-Aplysiidae-n oewn-family_Aplysiidae-n oewn-Tethyidae-n oewn-family_Tethyidae-n


oewn-Aplysia-n oewn-genus_Aplysia-n oewn-Tethys-n oewn-genus_Tethus-n


naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles


common genus of marine bubble shells of the Pacific coast of North America


marine gastropod mollusk having a very small thin shell


large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails


type genus of the Physidae; freshwater air-breathing snails


large order of gastropods comprising univalve mollusks that have a single gill resembling a comb


family of marine gastropods comprising the cowries


type genus of the family Cypraeidae: the typical cowries


any of numerous tropical marine gastropods of the genus Cypraea having highly polished usually brightly marked shells


cowrie whose shell is used for money in parts of the southern Pacific and in parts of Africa


comb-like respiratory structure serving as the gill of certain mollusks


one of the often brightly colored and branching hornlike structures on the back of the nudibranch (and other related mollusks) that serve as gills


oewn-Solenogastres-n oewn-order_Solenogastres-n oewn-Aplacophora-n oewn-order_Aplacophora-n


deep-water wormlike mollusks lacking calcareous plates on the body but having fine slimy spicules on the covering mantle


small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura


oewn-chiton-n oewn-coat-of-mail_shell-n oewn-sea_cradle-n oewn-polyplacophore-n

primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates


tuft of strong filaments by which e.g. a mussel makes itself fast to a fixed surface


oewn-Bivalvia-n oewn-class_Bivalvia-n oewn-Lamellibranchia-n oewn-class_Lamellibranchia-n oewn-class_Pelecypoda-n


marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together


burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness


oewn-soft-shell_clam-n oewn-steamer-n oewn-steamer_clam-n oewn-long-neck_clam-n oewn-Mya_arenaria-n

an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe


type genus of the family Veneridae: genus of edible clams with thick oval shells


oewn-quahog-n oewn-quahaug-n oewn-hard-shell_clam-n oewn-hard_clam-n oewn-round_clam-n oewn-Venus_mercenaria-n oewn-Mercenaria_mercenaria-n

an edible American clam; the heavy shells were used as money by some American Indians


a large edible clam found burrowing deeply in sandy mud along the Pacific coast of North America; weighs up to six pounds; has siphons that can extend to several feet and cannot be withdrawn into the shell


razor clams in the family Pharidae (Ensis)


marine clam having a long narrow curved thin shell


type genus of the family Tridacnidae: giant clams


a large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds


somewhat heart-shaped sand-burrowing bivalve mollusks


type genus of the family Cardiidae: cockles


common edible, burrowing European bivalve mollusk that has a strong, rounded shell with radiating ribs


marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters


a young oyster especially of a size for transplantation


small edible oyster typically from the southern shore of Long Island


a large oyster native to Japan and introduced along the Pacific coast of the United States; a candidate for introduction in Chesapeake Bay


common edible oyster of Atlantic coast of North America


a family of pearl oysters, also called feather oysters (Pteriidae)


tropical marine bivalve found chiefly off eastern Asia and Pacific coast of North America and Central America; a major source of pearls


type genus of the family Anomiidae: saddle oysters


thin-shelled bivalve having the right valve deeply notched


oewn-window_oyster-n oewn-windowpane_oyster-n oewn-capiz-n oewn-Placuna_placenta-n

marine bivalve common in Philippine coastal waters characterized by a large thin flat translucent shell


type genus of the family Arcidae: ark shells and blood clams


marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface


marine or freshwater bivalve mollusk that lives attached to rocks etc.


type genus of the family Mytilidae: smooth-shelled marine mussels


marine bivalve mollusk having a dark elongated shell; live attached to solid objects especially in intertidal zones


a mussel with a dark shell that lives attached to rocks


bivalve mollusk abundant in rivers of central United States


the pearly lining of the dark shells is a source of mother-of-pearl


mussel with thin fragile shells having only rudimentary hinge teeth


inch long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels


edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions


type genus of the family Pectinidae: sea and bay scallops


a small scallop inhabiting shallow waters and mud flats of the Atlantic coast of North America


a large scallop inhabiting deep waters of the Atlantic coast of North America


wormlike marine bivalve that bores into wooden piers and ships by means of drill-like shells


giant shipworm of the Pacific coast of North America


type genus of the family Pholadidae: piddocks


marine bivalve that bores into rock or clay or wood by means of saw-like shells


octopuses, squids, cuttlefish, pearly nautilus


marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles


type genus and sole recent representative of the family Nautilidae


cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions


oewn-Dibranchiata-n oewn-subclass_Dibranchiata-n oewn-Dibranchia-n oewn-subclass_Dibranchia-n

comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)


a cephalopod with eight arms but lacking an internal shell


bottom-living cephalopod having a soft oval body with eight long tentacles


represented solely by the genus Argonauta


type genus of the family Argonautidae: paper nautilus


oewn-paper_nautilus-n oewn-nautilus-n oewn-Argonaut-n oewn-Argonauta_argo-n

cephalopod mollusk of warm seas whose females have delicate papery spiral shells


cephalopods having eight short tentacles plus two long ones


widely distributed fast-moving ten-armed cephalopod mollusk having a long tapered body with triangular tail fins


extremely active cylindrical squid with short strong arms and large rhombic terminal fins


largest mollusk known about but never seen (to 60 feet long)


ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell


coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications


genus of small cephalopods with many-chambered spiral shells resembling those of the extinct belemnites


a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral


order of extinct dibranchiate cephalopods related to the surviving spirulas


a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae


a pouch in many birds and some lower animals that resembles a stomach for storage and preliminary maceration of food


thick-walled muscular pouch below the crop in many birds and reptiles for grinding food


class of mandibulate arthropods including: lobsters, crabs, shrimps, woodlice, barnacles, decapods, water fleas


any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton


one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae


largest subclass of Crustacea including most of the well-known marine, freshwater, and terrestrial crustaceans: crabs, lobsters, shrimps, sow bugs, beach flies


lobsters, crayfish, crabs, shrimps, prawns


crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax


an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface


decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers


large edible crab of the southern coast of the United States (particularly Florida)


edible crab that has not recently molted and so has a hard shell


edible crab that has recently molted and not yet formed its new shell


small edible crab of Pacific coast of North America


large red deep-water crab of the eastern coast of North America


marine crab with some legs flattened and fringed for swimming


oewn-American_lady_crab-n oewn-lady_crab-n oewn-calico_crab-n oewn-Ovalipes_ocellatus-n

brightly spotted crab of sandy beaches of the Atlantic coast of the United States


bluish edible crab of Atlantic and Gulf Coasts of North America


burrowing crab of American coastal regions having one claw much enlarged in the male


type genus of the family Pinnotheridae: pea crabs


tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks


tiny soft-bodied crab living within the mantle cavity of oysters


oewn-king_crab-n oewn-Alaska_crab-n oewn-Alaskan_king_crab-n oewn-Alaska_king_crab-n oewn-Paralithodes_camtschatica-n

large edible crab of northern Pacific waters especially along the coasts of Alaska and Japan


any of numerous crabs with very long legs and small triangular bodies


oewn-Maja-n oewn-genus_Maja-n oewn-Maia-n oewn-genus_Maia-n

type genus of the Majidae; nearly cosmopolitan in distribution


any of several edible marine crustaceans of the families Homaridae and Nephropsidae and Palinuridae


large edible marine crustaceans having large pincers on the first pair of legs


type genus of the family Homaridae: common edible lobsters


oewn-American_lobster-n oewn-Northern_lobster-n oewn-Maine_lobster-n oewn-Homarus_americanus-n


in some classifications coextensive with the Homaridae


edible European lobster resembling the American lobster but slenderer


oewn-spiny_lobster-n oewn-langouste-n oewn-rock_lobster-n oewn-crawfish-n oewn-crayfish-n oewn-sea_crawfish-n

large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters


oewn-crayfish-n oewn-crawfish-n oewn-crawdad-n oewn-crawdaddy-n

small freshwater decapod crustacean that resembles a lobster


type genus of the family Astacidae; Old World crayfish


small crayfish of Europe and Asia and western North America


common large crayfishes of eastern North America


small soft-bodied marine crustaceans living in cast-off shells of gastropods


small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible


small shrimp that makes a snapping noise with one of their enlarged chelae


type genus of the family Palaemonidae; widely distributed genus


shrimp-like decapod crustacean having two pairs of pincers; most are edible


large (a foot or more) edible freshwater prawn common in Australian rivers


in former classifications a division of Malacostraca; superseded by the orders Mysidacea and Euphausiacea


small commonly luminescent crustaceans; important element of marine plankton: krill


shrimp-like planktonic crustaceans; major source of food for e.g. baleen whales


shrimp-like crustaceans whose females carry eggs and young in a pouch between the legs


tropical marine burrowing crustaceans with large grasping appendages


crustaceans that burrow in mud or under stones in shallow water along the seashore


any of various small terrestrial or aquatic crustaceans with seven pairs of legs adapted for crawling


any of various small terrestrial isopods having a flat elliptical segmented body; found in damp habitats


small terrestrial isopod with a convex segmented body that can roll up into a ball


type genus of the Oniscidae; woodlice that cannot roll into a ball


terrestrial isopod having an oval segmented body (a shape like a sow)


small flat-bodied semiterrestrial crustaceans: whale lice, sand-hoppers, skeleton shrimp


oewn-beach_flea-n oewn-sand_hopper-n oewn-sandhopper-n oewn-sand_flea-n

small amphipod crustaceans that hop like fleas; common on ocean beaches


small amphipod crustacean having a grotesque form suggestive of the praying mantis; found chiefly on seaweed


amphipod crustacean parasitic on cetaceans


in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use


primitive aquatic mainly freshwater crustaceans: fairy shrimps; brine shrimps; tadpole shrimps; can shrimps; water fleas


aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding


minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae


small aquatic crustaceans lacking a carapace: fairy shrimps; brine shrimps


oewn-Artemia-n oewn-genus_Artemia-n oewn-Chirocephalus-n oewn-genus_Chirocephalus-n


small freshwater branchiopod having a transparent body with many appendages; swims on its back


small freshwater crustaceans with a shield-shaped carapace


type genus of the family Triopidae: small crustaceans with a small third median eye


minute planktonic or parasitic crustaceans


minute marine or freshwater crustaceans usually having six pairs of limbs on the thorax; some abundant in plankton and others parasitic on fish


minute crustaceans forming food for right whales


minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms


copepods with suctorial mouthparts; parasitic on fishes


tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell


marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces


barnacle that attaches to rocks especially in intertidal zones


stalked barnacle that attaches to ship bottoms or floating timbers


enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in warm regions; distinct from the phylum Annelida; resemble slugs with legs and are sometimes described as the missing link between arthropods and annelids


any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms


type genus of Peripatidae; onychophorans of chiefly New World tropical regions


type genus of Peripatopsidae; onychophorans of chiefly Asiatic and African tropical regions


any of many long-legged birds that wade in water in search of food


order of chiefly tropical marsh-dwelling fish-eating wading birds with long legs and bills and (except for flamingos) unwebbed feet: herons, storks, spoonbills, flamingos, ibises


large mostly Old World wading birds typically having white-and-black plumage


type genus of the Ciconiidae: European storks


the common stork of Europe; white with black wing feathers and a red bill


Old World stork that is glossy black above and white below


oewn-adjutant_bird-n oewn-adjutant-n oewn-adjutant_stork-n oewn-Leptoptilus_dubius-n


oewn-marabou-n oewn-marabout-n oewn-marabou_stork-n oewn-Leptoptilus_crumeniferus-n

large African black-and-white carrion-eating stork; its downy underwing feathers are used to trim garments


stork with a grooved bill whose upper and lower parts touch only at the base and tip


large white stork of warm regions of the world especially America


large black-and-white stork of tropical Africa; its red bill has a black band around the middle


oewn-policeman_bird-n oewn-black-necked_stork-n oewn-jabiru-n oewn-Xenorhyncus_asiaticus-n


a genus of storks of the family Ciconiidae now including only the American wood ibis


oewn-wood_ibis-n oewn-wood_stork-n oewn-flinthead-n oewn-Mycteria_americana-n

an American stork that resembles the true ibises in having a downward-curved bill; inhabits wooded swamps of New World tropics


type genus of the Balaenicipitidae: shoebills


large stork-like bird of the valley of the White Nile with a broad bill suggesting a wooden shoe


a family comprising ibises and spoonbills (Threskiornithidae, Ibidiidae)


wading birds of warm regions having long slender down-curved bills


any of several Old World birds of the genus Ibis


African ibis venerated by ancient Egyptians


wading birds having a long flat bill with a tip like a spoon


pure white crested spoonbill of southern Eurasia and northeastern Africa


tropical rose-colored New World spoonbill


large pink to scarlet web-footed wading bird with down-bent bill; inhabits brackish lakes


grey or white wading bird with long neck and long legs and (usually) long bill


type genus of the Ardeidae: large New and Old World herons


large American heron having bluish-grey plumage


large white heron of Florida and the Florida Keys


any of various usually white herons having long plumes during breeding season


small bluish-grey heron of the western hemisphere


widely distributed Old World white egret


a common egret of the genus Egretta found in America; it is a variety of the Old World white egret Casmerodius albus


small white egret widely distributed in warm regions often found around grazing animals


oewn-boatbill-n oewn-boat-billed_heron-n oewn-broadbill-n oewn-Cochlearius_cochlearius-n

tropical American heron related to night herons


relatively small compact tawny-brown heron with nocturnal habits and a booming cry; found in marshes


a kind of bittern, slightly smaller than the European bitter (Botaurus lentiginosus)


a kind of bittern, also known as the great bittern (Botaurus stellaris)


inland marsh-dwelling birds with long legs and necks and bills that wade in water in search of food: cranes, rails, bustards


large long-necked wading bird of marshes and plains in many parts of the world


type genus of the Gruidae: typical cranes


rare North American crane having black-and-white plumage and a trumpeting call


genus of large brown long-billed wading birds found in warm swampy regions of the western hemisphere: courlan; limpkin


wading bird of South America and Central America


wading bird of Florida, Cuba and Jamaica having a drooping bill and a distinctive wailing call


the type genus of the Cariamidae comprising only the crested cariama


Brazilian Cariama; sole representative of the genus Cariama


any of numerous widely distributed small wading birds of the family Rallidae having short wings and very long toes for running on soft mud


flightless New Zealand rail of thievish disposition having short wings each with a spur used in fighting


any of several short-billed Old World rails


common Eurasian rail that frequents grain fields


oewn-gallinule-n oewn-marsh_hen-n oewn-water_hen-n oewn-swamphen-n

any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens


North American dark bluish-grey gallinule


black gallinule that inhabits ponds and lakes


flightless New Zealand birds similar to gallinules


slate-black slow-flying birds somewhat resembling ducks


oewn-American_coot-n oewn-marsh_hen-n oewn-mud_hen-n oewn-water_hen-n oewn-Fulica_americana-n


terrestrial game birds of the Old World and Australia: bustards


large heavy-bodied chiefly terrestrial game bird capable of powerful swift flight; classified with wading birds but frequents grassy steppes


type genus of the Otididae: European bustard


small Old World birds resembling but not related to true quail


type genus of the Turnicidae: button quail


oewn-button_quail-n oewn-button-quail-n oewn-bustard_quail-n oewn-hemipode-n

small quail-like terrestrial bird of southern Eurasia and northern Africa that lacks a hind toe; classified with wading birds but inhabits grassy plains


a variety of button quail having stripes


small Australian bird related to the button quail; classified as wading bird but inhabits plains


type genus of the Psophiidae: trumpeters


large gregarious crane-like bird of the forests of South America having glossy black plumage and a loud prolonged cry; easily domesticated


trumpeter of Brazil and Guiana; often kept to protect poultry in Brazil


large diverse order of aquatic birds found along seacoasts and inland waters: shorebirds and coastal diving birds; most feed on animal life


a bird that frequents coastal waters and the open ocean: gulls, pelicans, gannets, cormorants, albatrosses, petrels, etc.


shorebirds: plovers, sandpipers, avocets, phalaropes, coursers, stone curlews


term used in some classifications for migratory shorebirds; coextensive with the Charadrii


any of numerous wading birds that frequent mostly seashores and estuaries


any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings; closely related to the sandpipers


oewn-killdeer-n oewn-kildeer-n oewn-killdeer_plover-n oewn-Charadrius_vociferus-n

American plover of inland waters and fields having a distinctive cry


oewn-dotterel-n oewn-dotrel-n oewn-Charadrius_morinellus-n oewn-Eudromias_morinellus-n


plovers of Europe and America having the backs marked with golden-yellow spots


oewn-lapwing-n oewn-green_plover-n oewn-peewit-n oewn-pewit-n

large crested Old World plover having wattles and spurs


migratory shorebirds of the plover family that turn over stones in searching for food


common Arctic turnstone that winters in South America and Australia


common turnstone of the Pacific coast of North America


sandpiper family: sandpipers; woodcocks; snipes; tattlers; curlews; godwits; dowitchers


any of numerous usually small wading birds having a slender bill and piping call; closely related to the plovers


sandpiper-like shorebird of Pacific coasts of North America and South America


a genus of Scolopacidae, comprising the common sandpiper and the spotted sandpiper (Actitis)


a genus of Scolopacidae, containing some stints and sandpipers (Erolia)


small common sandpiper that breeds in northern or Arctic regions and winters in southern United States or Mediterranean regions


a genus of Scolopacidae, containing the shanks and the tattlers (Tringa)


large European sandpiper with greenish legs


a common Old World wading bird with long red legs


either of two North American shorebird with yellow legs


a variety of yellowlegs, a large North American shorebird (Tringa melanoleuca)


a variety of yellowlegs, a small North American shorebird (Tringa flavipes)


a genus of Scolopacidae, containing the knots and the surfbirds (Calidris)


American sandpiper that inflates its chest when courting


oewn-knot-n oewn-greyback-n oewn-grayback-n oewn-Calidris_canutus-n

a sandpiper that breeds in the Arctic and winters in the Southern Hemisphere


Old World sandpiper with a curved bill like a curlew


a genus of Scolopacidae, containing the sanderling (Crocethia)


small sandpiper that breeds in the Arctic and migrates southward along sandy coasts in most of world


a genus of Scolopacidae, includes the upland sandpiper (Bartramia)


oewn-upland_sandpiper-n oewn-upland_plover-n oewn-Bartramian_sandpiper-n oewn-Bartramia_longicauda-n

large plover-like sandpiper of North American fields and uplands


common Eurasian sandpiper; the male has an erectile neck ruff in breeding season


any of several long-legged shorebirds having a loud whistling cry


large North American shorebird of eastern and Gulf Coasts


game bird of the sandpiper family that resembles a snipe


type of the Scolopacidae: Old World woodcocks


short-legged long-billed migratory Old World woodcock


small long-billed woodcock; prized as a game bird


oewn-Gallinago-n oewn-genus_Gallinago-n oewn-Capella-n oewn-genus_Capella-n


Old or New World straight-billed game bird of the sandpiper family; of marshy areas; similar to the woodcocks


Old World snipe larger and darker than the whole snipe


shorebird of the sandpiper family that resembles a snipe


large migratory shorebirds of the sandpiper family; closely related to woodcocks but having a down-curved bill


New World curlew that breeds in northern North America


large wading bird that resembles a curlew; has a long slightly upturned bill


major one of two genera of stilts; similar to avocets but with straight bills


oewn-stilt-n oewn-stiltbird-n oewn-longlegs-n oewn-long-legs-n oewn-stilt_plover-n oewn-Himantopus_stilt-n

long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons


stilt of southwestern United States to northern South America having black plumage extending from the head down the back of the neck


stilt of Europe and Africa and Asia having mostly white plumage but with black wings


stilt of the southwest Pacific including Australia and New Zealand having mostly white plumage but with black wings and nape of neck


blackish stilt of New Zealand sometimes considered a color phase of the white-headed stilt


one of two genera of stilts; similar to avocets but with straight bills


long-legged three-toed wading bird of brackish marshes of Australia


web-footed Australian stilt with reddish-brown pectoral markings


type genus of the Recurvirostridae: avocets


long-legged web-footed black-and-white shorebird with slender upward-curving bill


the family of oystercatchers (Haematopodidae)


the genus of oystercatchers (Haematopus)


black-and-white shorebird with stout legs and bill; feed on oysters etc.


small sandpiper-like shorebird having lobate toes and being good swimmers; breed in the Arctic and winter in the tropics


type genus of the Phalaropidae: phalaropes


breeds in Arctic regions of Old and New Worlds; large flocks often seen far out at sea


breeds on the northern great plains of Canada


type genus of the Glareolidae: the pratincoles


Old World shorebird with long pointed wings and short legs; closely related to the coursers


swift-footed terrestrial plover-like bird of southern Asia and Africa; related to the pratincoles


courser of desert and semidesert regions of the Old World


a genus of coursers, containing the Egyptian plover (Pluvianus)


African courser that feeds on insect parasites on crocodiles


large wading birds resembling the plovers: stone curlews


type genus of the Burhinidae: stone curlews


large-headed large-eyed crepuscular or nocturnal shorebird of the Old World and tropical America having a thickened knee joint


gull family; skimmer family; jaeger family; auk family


long-winged web-footed aquatic bird of the gull family


mostly white aquatic bird having long pointed wings and short legs


oewn-mew-n oewn-mew_gull-n oewn-sea_mew-n oewn-Larus_canus-n

the common gull of Eurasia and northeastern North America


oewn-black-backed_gull-n oewn-great_black-backed_gull-n oewn-cob-n oewn-Larus_marinus-n

white gull having a black back and wings


oewn-laughing_gull-n oewn-blackcap-n oewn-pewit-n oewn-pewit_gull-n oewn-Larus_ridibundus-n


a genus of Laridae, containing the ivory gull (Pagophila)


white Arctic gull; migrates as far south as England and New Brunswick


a genus of Laridae, containing the kittiwakes (Rissa)


small pearl-grey gull of northern regions; nests on cliffs and has a rudimentary hind toe


small slender gull having narrow wings and a forked tail


common tern of Eurasia and America having white black and grey plumage


coextensive with the genus Rynchops: skimmers


gull-like seabird that flies along the surface of the water with an elongated lower mandible immersed to skim out food


rapacious seabird that pursues weaker birds to make them drop their prey


type genus of the Stercorariidae: jaegers


large brown skua of the northern Atlantic


web-footed diving seabirds of northern seas: auks, puffins, guillemots, murres, etc.


black-and-white short-necked web-footed diving bird of northern seas


any of several small auks of the northern Pacific coasts


type genus of the Alcidae comprising solely the razorbill


black-and-white northern Atlantic auk having a compressed sharp-edged bill


small short-billed auk abundant in Arctic regions


large flightless auk of rocky islands off northern Atlantic coasts; extinct


small black or brown speckled auks of northern seas


black-and-white diving bird of northern seas


any of two genera of northern seabirds having short necks and brightly colored compressed bills


northern Pacific puffin having a large yellow plume over each eye


large aquatic birds: loons and some extinct forms


large somewhat primitive fish-eating diving bird of the Northern Hemisphere having webbed feet placed far back; related to the grebes


oewn-Podicipitiformes-n oewn-order_Podicipitiformes-n oewn-Podicipediformes-n oewn-order_Podicipediformes-n oewn-Colymbiformes-n oewn-order_Colymbiformes-n


coextensive with the order Podicipitiformes


small compact-bodied almost completely aquatic bird that builds floating nests; similar to loons but smaller and with lobate rather than webbed feet


large Old World grebe with black ear tufts


large stocky grebe of circumpolar regions having a dark neck


small grebe with yellow ear tufts and a black neck; found in Eurasia and southern Africa as well as western United States


American grebe having a black-banded whitish bill


pelicans, frigate birds, gannets, cormorants


large fish-eating seabird with four-toed webbed feet


large long-winged warm-water seabird having a large bill with a distensible pouch for fish


large American pelican; white with black wing feathers


long-billed warm-water seabird with wide wingspan and forked tail


large heavily built seabird with a long stout bill noted for its plunging dives for fish


oewn-solan-n oewn-solan_goose-n oewn-solant_goose-n oewn-Sula_bassana-n

very large white gannet with black wing tips


small tropical gannet having a bright bill or bright feet or both


type genus: coextensive with the family Phalacrocoracidae


large voracious dark-colored long-necked seabird with a distensible pouch for holding fish; used in Asia to catch fish


fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill


blackish New World snakebird of swampy regions


mostly white web-footed tropical seabird often found far from land


flightless cold-water seabirds: penguins


short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers


medium-sized penguins occurring in large colonies on the Adelie Coast of Antarctica


large penguin on islands bordering the Antarctic Circle


the largest penguin; an Antarctic penguin


type genus of the Spheniscidae: jackass penguins


small penguin of South America and southern Africa with a braying call


small penguin of the Falkland Islands and New Zealand


petrels, albatrosses, shearwaters, diving petrels


large long-winged bird with hooked bill and tubular nostrils that wanders the open seas


large web-footed birds of the Southern Hemisphere having long narrow wings; noted for powerful gliding flight


very large albatross; white with wide black wings


oewn-black-footed_albatross-n oewn-gooney-n oewn-gooney_bird-n oewn-goonie-n oewn-goony-n oewn-Diomedea_nigripes-n


relatively small long-winged tube-nosed bird that flies far from land


large black petrel of southern seas having a white mark on the chin


large brownish petrel chiefly of Antarctic seas


heavy short-tailed oceanic bird of polar regions


long-winged oceanic bird that in flight skims close to the waves


small black-and-white shearwater common in the northeastern Atlantic


any of various small petrels having dark plumage with paler underparts


sooty black petrel with white markings; of the northern Atlantic and Mediterranean


any of several small diving birds of Southern Hemisphere seas; somewhat resemble auks


whales and dolphins, manatees and dugongs, walruses, seals


an order of Eutheria, containing the whales, dolphins, and porpoises (Cetacea)


large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales, dolphins, porpoises, narwhals


any of the larger cetacean mammals having a streamlined body and breathing through a blowhole on the head


baleen whales: right whales, rorquals, blue whales, humpbacks


whale with plates of whalebone along the upper jaw for filtering plankton from the water


large Arctic whalebone whale; allegedly the `right' whale to hunt because of its valuable whalebone and oil


type genus of the Balaenidae: Greenland whales


oewn-bowhead-n oewn-bowhead_whale-n oewn-Greenland_whale-n oewn-Balaena_mysticetus-n


any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin


largest mammal ever known; bluish-grey migratory whalebone whale mostly of Southern Hemisphere


oewn-finback-n oewn-finback_whale-n oewn-fin_whale-n oewn-common_rorqual-n oewn-Balaenoptera_physalus-n

large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific


similar to but smaller than the finback whale


oewn-lesser_rorqual-n oewn-piked_whale-n oewn-minke_whale-n oewn-Balaenoptera_acutorostrata-n

small finback of coastal waters of Atlantic and Pacific


large whalebone whale with long flippers noted for arching or humping its back as it dives


type and sole genus of the Eschrichtiidae


oewn-grey_whale-n oewn-gray_whale-n oewn-devilfish-n oewn-Eschrichtius_gibbosus-n oewn-Eschrichtius_robustus-n

medium-sized greyish-black whale of the northern Pacific


toothed whales: dolphins, porpoises, sperm whales, beaked whales


any of several whales having simple conical teeth and feeding on fish etc.


oewn-sperm_whale-n oewn-cachalot-n oewn-black_whale-n oewn-Physeter_catodon-n

large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris


small sperm whale of warm waters of both coasts of North America


very small (to 8 feet) sperm whale of central coasts of Atlantic and Pacific


oewn-Ziphiidae-n oewn-family_Ziphiidae-n oewn-Hyperodontidae-n oewn-family_Hyperodontidae-n

beaked whales; in some especially former classifications included in the family Physeteridae


any of several whales inhabiting all oceans and having beaklike jaws with vestigial teeth in the upper jaw


oewn-bottle-nosed_whale-n oewn-bottlenose_whale-n oewn-bottlenose-n oewn-Hyperoodon_ampullatus-n

northern Atlantic beaked whale with a bulbous forehead


any of various small toothed whales with a beaklike snout; larger than porpoises


black-and-white dolphin that leaps high out of the water


any of several dolphins with rounded forehead and well-developed beak; chiefly of northern Atlantic and Mediterranean


the most common dolphin of northern Atlantic and Mediterranean; often kept captive and trained to perform


a bottlenose dolphin found in the Pacific Ocean


any of several small gregarious cetacean mammals having a blunt snout and many teeth


the common porpoise of the northern Atlantic and Pacific


a short porpoise that lives in the Gulf of California; an endangered species


slaty-grey blunt-nosed dolphin common in northern seas


oewn-killer_whale-n oewn-killer-n oewn-orca-n oewn-grampus-n oewn-sea_wolf-n oewn-Orcinus_orca-n

predatory black-and-white toothed whale with large dorsal fin; common in cold seas


oewn-pilot_whale-n oewn-black_whale-n oewn-common_blackfish-n oewn-blackfish-n oewn-Globicephala_melaena-n

small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school


any of several long-snouted usually freshwater dolphins of South America and southern Asia


oewn-narwhal-n oewn-narwal-n oewn-narwhale-n oewn-Monodon_monoceros-n

small Arctic whale the male having a long spiral ivory tusk


small northern whale that is white when adult


an animal order including: manatees, dugongs, Steller's sea cow


any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs


sirenian mammal of tropical coastal waters of America; the flat tail is rounded


a family of mammals of order Sirenia including dugongs and Steller's sea cow


type genus of the Dugongidae comprising only the dugongs


sirenian tusked mammal found from eastern Africa to Australia; the flat tail is bilobate


a genus of the family Dugongidae comprising only Steller's sea cow


extinct large sirenian mammal formerly found near the Asiatic coast of the Bering Sea


cats, lions, tigers, panthers, dogs, wolves, jackals, bears, cats, lions, tigers, panthers, dogs, wolves, jackals, bears, raccoons (Carnivora)


a terrestrial or aquatic flesh-eating mammal

terrestrial carnivores have four or five clawed digits on each limb


an animal that feeds on both animal and vegetable substances


aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers


any of numerous marine mammals that come on shore to breed; chiefly of cold regions


silvery grey Antarctic seal subsisting on crustaceans


pinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur


a genus of fur seals, containing eight of the nine species of fur seal (Arctocephalus)


eared seal of the Southern Hemisphere; the thick soft underfur is the source of sealskin

the male fur seal is much larger than the female


a fur seal of the Pacific coast of California and southward


a genus of fur seals, containing the northern fur seal (Callorhinus)


of Pacific coast from Alaska southward to California


any of several large eared seals of the northern Pacific related to fur seals but lacking their valuable coat


a genus of sea lions and fur seals (Zalophus)


a variety of sea lion found in Australia


a genus of sea lions containing the steller sea lion (Eumetopias)


largest sea lion; of the northern Pacific


any of several seals lacking external ear flaps and having a stiff hairlike coat with hind limbs reduced to swimming flippers


type genus of the Phocidae: earless seals


small spotted seal of coastal waters of the Northern Hemisphere


common Arctic seal; the young are all white


either of two large northern Atlantic earless seals having snouts like trunks


medium-sized greyish to yellow seal with bristles each side of muzzle; of the Arctic Ocean


medium-sized blackish-grey seal with large inflatable sac on the head; of Arctic and northern Atlantic waters


either of two large northern marine mammals having ivory tusks and tough hide over thick blubber


a walrus of northern Atlantic and Arctic waters


a walrus of the Bering Sea and northern Pacific


in some classifications considered a suborder of Carnivora


terrestrial carnivores having toes separated to the base: dogs, cats, bears, badgers, raccoons


an order of Eutheria containing the aardvark as the only living species (Tubulidentata)


coextensive with the family Orycteropodidae


oewn-aardvark-n oewn-ant_bear-n oewn-anteater-n oewn-Orycteropus_afer-n

nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata


any of various fissiped mammals with nonretractile claws and typically long muzzles


type genus of the Canidae: domestic and wild dogs, wolves, jackals


a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds


oewn-pooch-n oewn-doggie-n oewn-doggy-n oewn-barker-n oewn-bow-wow-n


a nervous belligerent little mongrel dog


ownerless half-wild mongrel dog common around Asian villages especially India


a dog small and tame enough to be held in the lap


any of several breeds of very small dogs kept purely as pets


an old breed of tiny short-haired dog with protruding eyes from Mexico held to antedate Aztec civilization


breed of toy dogs originating in Japan having a silky black-and-white or red-and-white coat


breed of toy dogs having a long straight silky white coat


a Chinese breed of small short-legged dogs with a long silky coat and broad flat muzzle


a Chinese breed of small dog similar to a Pekingese


British breed having a long silky coat and rounded head with a short upturned muzzle


red-and-white variety of English toy spaniel


a toy English spaniel with a black-and-tan coat; named after Charles II who popularized it


small slender toy spaniel with erect ears and a black-spotted brown to white coat


a powerful short-haired African hunting dog having a crest of reversed hair along the spine


any of several breeds of dog used for hunting typically having large drooping ears


tall graceful breed of hound with a long silky coat; native to the Near East


smooth-haired breed of hound with short legs and long ears


a small short-legged smooth-coated breed of hound


a breed of large powerful hound of European origin having very acute smell and used in tracking


a very fast American hound; white mottled with bluish grey


any of several breeds of hound developed for hunting raccoons


American breed of large powerful hound dogs used for hunting raccoons and other game


small long-bodied short-legged German breed of dog having a short sleek coat and long drooping ears; suited for following game into burrows


medium-sized glossy-coated hounds developed for hunting foxes


an American breed of foxhounds used for hunting both in packs and individually


an English breed slightly larger than the American foxhounds originally used to hunt in packs


a hound that resembles a foxhound but is smaller; used to hunt rabbits


a brindle-coated American hound used in hunting bears and wild boars


a speedy red or red-and-tan American hound


the largest breed of dogs; formerly used to hunt wolves


large breed of hound with a rough thick coat


a tall slender dog of an ancient breed noted for swiftness and keen sight; used as a racing dog


small slender dog of greyhound type developed in England


breed of slender agile medium-sized hound found chiefly in the Balearic Islands; said to have been bred originally by the Pharaohs of ancient Egypt


breed of compact medium-sized dog with a heavy grey coat developed in Norway for hunting elk


hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat; bred for hunting otters