How many baby Andean vesper mouses are in a litter?
A Andean vesper mouse (Calomys lepidus) usually gives birth to around 4 babies.
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 Andean 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 Andean vesper mouse (Calomys lepidus) is a species of rodent in the family Cricetidae.It is found in Argentina, Bolivia, Chile, and Peru.
Other animals of the family Muridae
Andean vesper mouse is a member of the Muridae, as are these animals:
- Persian jird with 5 babies per pregnancy
- Temchuk’s bolo mouse weighting only 47 grams
- Chiapan climbing rat weighting only 280 grams
- Capricorn leaf-eared mouse weighting only 50 grams
- Olive grass mouse weighting only 39 grams
- Irenomys with 3 babies per pregnancy
- Northern Luzon shrew-rat raching a size of 10.5 cm (0′ 5″)
- Western heather vole with 4 babies per pregnancy
- Argentine hocicudo weighting only 67 grams
- Desert pygmy mouse with 4 babies per pregnancy
Animals that share a litter size with Andean vesper mouse
Those animals also give birth to 4 babies at once:
- Black-tailed prairie dog
- Field vole
- Transcaucasian mole vole
- Dune hairy-footed gerbil
- Red-tailed chipmunk
- Giant forest hog
- Libyan jird
- Iberian shrew
- Giant naked-tailed rat
- Bushveld gerbil
Animals with the same weight as a Andean vesper mouse
What other animals weight around 20 grams (0.04 lbs)?
- Waterhouse’s leaf-nosed bat weighting 16 grams
- Taphozous philippinensis weighting 20 grams
- Altiplano grass mouse weighting 20 grams
- Kilimanjaro shrew weighting 16 grams
- Black-capped fruit bat weighting 17 grams
- Japanese shrew mole weighting 18 grams
- Beaded wood mouse weighting 22 grams
- Northern freetail bat weighting 20 grams
- Mottled-tailed shrew mouse weighting 18 grams
- Davies’s big-eared bat weighting 18 grams