Litter Size

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

How many baby European water voles are in a litter?

A European water vole (Arvicola amphibius) usually gives birth to around 4 babies.With 3 litters per year, that sums up to a yearly offspring of 12 babies.

Each of those little ones spend around 21 days as a fetus before they are released into the wild. Upon birth, they weight 5 grams (0.01 lbs) and measure 1.7 cm (0′ 1″). They are a member of the Cricetidae family (genus: Arvicola). An adult European water vole grows up to a size of 19.3 cm (0′ 8″).


The average litter size of a European water vole is 4

The European water vole or northern water vole (Arvicola amphibius, included in synonymy: A. terrestris), is a semi-aquatic rodent. It is often informally called the water rat, though it only superficially resembles a true rat. Water voles have rounder noses than rats, deep brown fur, chubby faces and short fuzzy ears; unlike rats their tails, paws and ears are covered with hair.In the wild, on average, water voles only live about five months. Maximum longevity in captivity is two and a half years.

Other animals of the family Cricetidae

European water vole is a member of the Cricetidae, as are these animals:

Animals that share a litter size with European water vole

Those animals also give birth to 4 babies at once:

Animals that get as old as a European water vole

Other animals that usually reach the age of 5 years:

Animals with the same weight as a European water vole

What other animals weight around 120 grams (0.26 lbs)?

Animals with the same size as a European water vole

Also reaching around 19.3 cm (0′ 8″) in size do these animals: