Litter Size

How many babies does a White-footed mouse have at once? (litter size)

How many baby White-footed mouses are in a litter?

A White-footed mouse (Peromyscus leucopus) usually gives birth to around 4 babies.With 4 litters per year, that sums up to a yearly offspring of 16 babies.

Each of those little ones spend around 23 days as a fetus before they are released into the wild. Upon birth, they weight 1 grams (0 lbs) and measure 1.3 cm (0′ 1″). They are a member of the Muridae family (genus: Peromyscus). An adult White-footed mouse grows up to a size of 9.4 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 average litter size of a White-footed mouse is 4

The white-footed mouse (Peromyscus leucopus) is a rodent native to North America from Ontario, Quebec, Labrador, and the Maritime Provinces (excluding the island of Newfoundland) to the southwest United States and Mexico. In the Maritimes, its only location is a disjunct population in southern Nova Scotia. It is also known as the woodmouse, particularly in Texas.

Other animals of the family Muridae

White-footed mouse is a member of the Muridae, as are these animals:

Animals that share a litter size with White-footed mouse

Those animals also give birth to 4 babies at once:

Animals that get as old as a White-footed mouse

Other animals that usually reach the age of 3.17 years:

Animals with the same weight as a White-footed mouse

What other animals weight around 18 grams (0.04 lbs)?

Animals with the same size as a White-footed mouse

Also reaching around 9.4 cm (0′ 4″) in size do these animals: