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Litter Size

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

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:

Animals that share a litter size with Andean vesper mouse

Those animals also give birth to 4 babies at once:

Animals with the same weight as a Andean vesper mouse

What other animals weight around 20 grams (0.04 lbs)?