Litter Size

How many babies does a Large vesper mouse have at once? (litter size)

How many baby Large vesper mouses are in a litter?

A Large vesper mouse (Calomys callosus) usually gives birth to around 5 babies.With 3 litters per year, that sums up to a yearly offspring of 15 babies.

Each of those little ones spend around 21 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 Large 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 large vesper mouse (Calomys callosus) is a South American rodent species of the family Cricetidae.It is found in Argentina, Bolivia, Brazil and Paraguay.Its karyotype has 2n = 50 and FN = 66. It was formerly synonymized with C. expulsus, but the latter has 2n = 66 and FN = 68.It is particularly notable as the vector of Bolivian hemorrhagic fever.

Other animals of the family Muridae

Large vesper mouse is a member of the Muridae, as are these animals:

Animals that share a litter size with Large vesper mouse

Those animals also give birth to 5 babies at once:

Animals with the same weight as a Large vesper mouse

What other animals weight around 45 grams (0.1 lbs)?