Litter Size

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

How many baby Montane voles are in a litter?

A Montane vole (Microtus montanus) 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 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 Montane vole grows up to a size of 12.4 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 Montane vole is 5

The montane vole (Microtus montanus) is a species of vole native to the western United States and Canada.

Other animals of the family Muridae

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

Animals that share a litter size with Montane vole

Those animals also give birth to 5 babies at once:

Animals with the same weight as a Montane vole

What other animals weight around 42 grams (0.09 lbs)?

Animals with the same size as a Montane vole

Also reaching around 12.4 cm (0′ 5″) in size do these animals: