Litter Size

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

How many baby Brush mouses are in a litter?

A Brush mouse (Peromyscus boylii) usually gives birth to around 3 babies.

Each of those little ones spend around 23 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 Brush mouse grows up to a size of 11.2 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 average litter size of a Brush mouse is 3

The brush mouse (Peromyscus boylii) is a species of rodent in the family Cricetidae. It is found in mountainous areas of Mexico and the western United States at altitudes over 2,000 m (6,600 ft).

Other animals of the family Muridae

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

Animals that share a litter size with Brush mouse

Those animals also give birth to 3 babies at once:

Animals that get as old as a Brush mouse

Other animals that usually reach the age of 1.5 years:

Animals with the same weight as a Brush mouse

What other animals weight around 23 grams (0.05 lbs)?