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Litter Size

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

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

A Northern red-backed vole (Myodes rutilus) usually gives birth to around 5 babies.With 4 litters per year, that sums up to a yearly offspring of 20 babies.

Each of those little ones spend around 23 days as a fetus before they are released into the wild. Upon birth, they weight 1 grams (0 lbs) and measure 3 cm (0′ 2″). They are a member of the Cricetidae family (genus: Myodes). An adult Northern red-backed vole grows up to a size of 10.9 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 Northern red-backed vole is 5

The northern red-backed vole (Myodes rutilus) is a small slender vole found in Alaska, northern Canada, Scandinavia and northern Russia.

Other animals of the family Cricetidae

Northern red-backed vole is a member of the Cricetidae, as are these animals:

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

Those animals also give birth to 5 babies at once:

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

What other animals weight around 19 grams (0.04 lbs)?

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

Also reaching around 10.9 cm (0′ 5″) in size do these animals: