Litter Size

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

How many baby Western jumping mouses are in a litter?

A Western jumping mouse (Zapus princeps) usually gives birth to around 5 babies.With 1 litters per year, that sums up to a yearly offspring of 5 babies.

Each of those little ones spend around 18 days as a fetus before they are released into the wild. Upon birth, they weight 6.34 kg (13.99 lbs) and measure 11.1 cm (0′ 5″). They are a member of the Dipodidae family (genus: Zapus). An adult Western jumping 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 Western jumping mouse is 5

The western jumping mouse (Zapus princeps), is a species of rodent in the family Dipodidae. It is found in Canada and the United States.Western jumping mice evolved during the Pleistocene, possibly from the fossil species Zapus burti, which is known from the late Blancan. Their closest relatives appear to be Pacific jumping mice, with which they can still interbreed to produce fertile offspring.

Other animals of the family Dipodidae

Western jumping mouse is a member of the Dipodidae, as are these animals:

Animals that share a litter size with Western jumping mouse

Those animals also give birth to 5 babies at once:

Animals with the same weight as a Western jumping mouse

What other animals weight around 27 grams (0.06 lbs)?

Animals with the same size as a Western jumping mouse

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