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It should be noted that the current right whale taxonomic classification is uncertain.

Right whales are "stocky" (short and fat), large, and black. They are easily identified because they have no dorsal fin, a highly arched jaw, and have a series of growths on their head called callosities.

Interesting Facts:

Right whales were called right whales because whalers found the whales to be the "right" whales to hunt. Whalers liked catching right whales because they are big, slow, and float when they are killed. Right whales were heavily whaled for many years.

Right whales are an endangered species and their populations generally remain small even though commercial hunting stopped nearly 100 years ago.

Right whales prefer coastlines and sometimes large bays, but may spend a lot of time on the open sea. Northern and Southern hemisphere right whale sub-species are separated by the "tropical belt" roughly between the latitudes of 20°N and 20°S.

Not very many. The Northern right whale populations are considered by some to be close to extinction while populations the Southern right whale are doing better with the largest groups seen off western Australia, South Africa, and Argentina. You can read more about right whale stocks in the NMFS Alaska and Atlantic stock assessment reports.

Right whales are large, rotund, black whales with large heads, long rostrums, and no dorsal fins. They can grow up to 53 feet (16.2 meters) long. Right whales have distinguishing callosities which are the best identification both for the species and for individual right whale.

It has been hard to research this question because right whales are too large to study in an oceanarium and are difficult to study in the open ocean. It is thought that right whales probably have excellent hearing, especially at low frequencies, which is valuable in the dark ocean environment where vision is less useful.

Right whales are baleen whales, they filter their food through their long baleen plates. Right whales open their great mouths and graze along the surface of the water. Right whales mostly eat small crustaceans including copepods and small shrimp-like animals called euphausiids.

Right whales are probably old enough to mate around 8 years old. Females are pregnant for about 13 months and only get pregnant approximately every three to five years. Calves are born able to swim. A mother and her calf form a very close attachment. The calf spends most of its time swimming close to its mother and is carried in the mother's "slip stream," the wake which develops as the mother swims.

Because of an absence of teeth (which can be used to estimate age in other mammals), it is difficult to tell how old right whales are when they die. It is believed that right whales live at least 50 years.

Right whales die of natural causes and are sometimes preyed upon by killer whales. Humans commercially hunted right whales for oil, meat, and apparel materials (for corset stays, umbrella ribs, buggy whips etc.) from the 17th to early 20th centuries. Right whales may also be harmed by pollution, ship strikes, or entanglement in fishing gear.