Litter Size

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

How many baby Brown deer mouses are in a litter?

A Brown deer mouse (Peromyscus megalops) usually gives birth to around 2 babies.

Each of those little ones spend around 8 days as a fetus before they are released into the wild. Upon birth, they weight 3 grams (0.01 lbs) and measure 1.3 cm (0′ 1″). They are a member of the Muridae family (genus: Peromyscus). An adult Brown deer mouse grows up to a size of 9.5 cm (0′ 4″).

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 brown deer mouse (Peromyscus megalops) is a species of rodent in the family Cricetidae found only in Mexico.

Other animals of the family Muridae

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

Animals that share a litter size with Brown deer mouse

Those animals also give birth to 2 babies at once:

Animals with the same weight as a Brown deer mouse

What other animals weight around 66 grams (0.15 lbs)?