Litter Size

How many babies does a California vole have at once? (litter size)

How many baby California voles are in a litter?

A California vole (Microtus californicus) usually gives birth to around 4 babies.With 5 litters per year, that sums up to a yearly offspring of 20 babies.

Each of those little ones spend around 21 days as a fetus before they are released into the wild. Upon birth, they weight 3 grams (0.01 lbs) and measure 1.8 cm (0′ 1″). They are a member of the Muridae family (genus: Microtus). An adult California vole grows up to a size of 13.9 cm (0′ 6″).

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 California vole is 4

The California vole (Microtus californicus) is a type of vole which lives throughout much of California and part of southwestern Oregon. It is also known as the California meadow mouse. It averages 172 mm (6.8 in) in length although this length varies greatly between subspecies.

Other animals of the family Muridae

California vole is a member of the Muridae, as are these animals:

Animals that share a litter size with California vole

Those animals also give birth to 4 babies at once:

Animals with the same weight as a California vole

What other animals weight around 57 grams (0.13 lbs)?

Animals with the same size as a California vole

Also reaching around 13.9 cm (0′ 6″) in size do these animals: