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Litter Size

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

How many baby Mexican deer mouses are in a litter?

A Mexican deer mouse (Peromyscus mexicanus) usually gives birth to around 2 babies.With 7 litters per year, that sums up to a yearly offspring of 14 babies.

Each of those little ones spend around 30 days as a fetus before they are released into the wild. Upon birth, they weight 4 grams (0.01 lbs) and measure 1.3 cm (0′ 1″). They are a member of the Muridae family (genus: Peromyscus). An adult Mexican 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 Mexican deer mouse (Peromyscus mexicanus) is a species of forest-dwelling rodent in the family Cricetidae. It is found in southern Mexico and throughout much of Central America.

Other animals of the family Muridae

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

Animals that share a litter size with Mexican deer mouse

Those animals also give birth to 2 babies at once:

Animals with the same weight as a Mexican deer mouse

What other animals weight around 42 grams (0.09 lbs)?

Animals with the same size as a Mexican deer mouse

Also reaching around 12.4 cm (0′ 5″) in size do these animals: