Litter Size

How many babies does a Tawny deer mouse have at once? (litter size)

How many baby Tawny deer mouses are in a litter?

A Tawny deer mouse (Peromyscus perfulvus) usually gives birth to around 2 babies.

Each of those little ones spend around 43 days as a fetus before they are released into the wild. Upon birth, they weight 2 grams (0 lbs) and measure 1.3 cm (0′ 1″). They are a member of the Muridae family (genus: Peromyscus). An adult Tawny deer mouse grows up to a size of 12.4 cm (0′ 5″).

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 tawny deer mouse or marsh mouse (Peromyscus perfulvus) is a species of rodent in the family Cricetidae. It is found only in Mexico.

Other animals of the family Muridae

Tawny deer mouse is a member of the Muridae, as are these animals:

Animals that share a litter size with Tawny deer mouse

Those animals also give birth to 2 babies at once:

Animals with the same weight as a Tawny deer mouse

What other animals weight around 40 grams (0.09 lbs)?