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Litter Size

How many babies does a Western red-backed vole have at once? (litter size)

How many baby Western red-backed voles are in a litter?

A Western red-backed vole (Clethrionomys californicus) usually gives birth to around 3 babies.With 3 litters per year, that sums up to a yearly offspring of 9 babies.

Each of those little ones spend around 18 days as a fetus before they are released into the wild. Upon birth, they weight 318 grams (0.7 lbs) and measure 20.6 cm (0′ 9″). They are a member of the Muridae family (genus: Clethrionomys). An adult Western red-backed vole grows up to a size of 9.8 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 red-backed vole is 3

The western red-backed vole (Myodes californicus) is a species of vole in the family Cricetidae. It is found in California and Oregon in the United States and lives mainly in coniferous forest. The body color is chestnut brown, or brown mixed with a considerable quantity of black hair gradually lightening on the sides and grading into a buffy-gray belly, with an indistinct reddish stripe on the back and a bicolored tail about half as long as the head and body.

Other animals of the family Muridae

Western red-backed vole is a member of the Muridae, as are these animals:

Animals that share a litter size with Western red-backed vole

Those animals also give birth to 3 babies at once:

Animals with the same weight as a Western red-backed vole

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

Animals with the same size as a Western red-backed vole

Also reaching around 9.8 cm (0′ 4″) in size do these animals: