How many baby Drylands vesper mouses are in a litter?
A Drylands vesper mouse (Calomys musculinus) usually gives birth to around 7 babies.
Each of those little ones spend around 20 days as a fetus before they are released into the wild. Upon birth, they weight 2 grams (0 lbs) and measure 12.5 cm (0′ 5″). They are a member of the Muridae family (genus: Calomys). An adult Drylands vesper mouse grows up to a size of 24.7 cm (0′ 10″).
To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.
The drylands vesper mouse (Calomys musculinus) is a species of rodent in the family Cricetidae.It is found in Argentina and Paraguay.
Other animals of the family Muridae
Drylands vesper mouse is a member of the Muridae, as are these animals:
- Oligoryzomys griseolus weighting only 25 grams
- Turkish hamster with 9 babies per pregnancy
- Glacier rat with 2 babies per pregnancy
- Himalayan field rat with 3 babies per pregnancy
- Cape gerbil with 3 babies per pregnancy
- Large-scaled mosaic-tailed rat with 2 babies per pregnancy
- Zygodontomys brunneus weighting only 75 grams
- Luzon Cordillera forest mouse weighting only 34 grams
- Melanomys robustulus weighting only 53 grams
- Splendid climbing mouse weighting only 89 grams
Animals that share a litter size with Drylands vesper mouse
Those animals also give birth to 7 babies at once:
- Vinogradov’s jird
- Laxmann’s shrew
- Gray short-tailed opossum
- Flat-skulled shrew
- Swamp antechinus
- Stolička’s mountain vole
- Red-tailed phascogale
- Tawny-bellied cotton rat
- Pallas’s pika
- Yellow steppe lemming
Animals with the same weight as a Drylands vesper mouse
What other animals weight around 20 grams (0.04 lbs)?
- Little desert pocket mouse weighting 23 grams
- Ugandan musk shrew weighting 23 grams
- Forrest’s mouse weighting 23 grams
- Great Basin pocket mouse weighting 21 grams
- Brazilian big-eyed bat weighting 19 grams
- Abrothrix andinus weighting 18 grams
- Hairy big-eyed bat weighting 23 grams
- Niobe’s shrew weighting 16 grams
- Long-tongued fruit bat weighting 21 grams
- European pine vole weighting 17 grams