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Litter Size

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

How many baby Bank voles are in a litter?

A Bank vole (Clethrionomys glareolus) 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 19 days as a fetus before they are released into the wild. Upon birth, they weight 1 grams (0 lbs) and measure 2.9 cm (0′ 2″). They are a member of the Muridae family (genus: Clethrionomys). An adult Bank vole grows up to a size of 10.6 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 Bank vole is 4

The bank vole (Myodes glareolus; formerly Clethrionomys glareolus) is a small vole with red-brown fur and some grey patches, with a tail about half as long as its body. A rodent, it lives in woodland areas and is around 100 millimetres (3.9 in) in length. The bank vole is found in much of Europe and in northwestern Asia. It is native to Great Britain but not to Ireland, where it has been accidentally introduced, and has now colonised much of the south and southwest.The bank vole lives in woodland, hedgerows and other dense vegetation such as bracken and bramble. Its underground chamber is lined with moss, feathers and vegetable fibre and contains a store of food. It can live for eighteen months to two years in the wild and over 42 months in captivity and is mostly herbivorous, eating buds, bark, seeds, nuts, leaves and fruits and occasionally insects and other small invertebrates. It readily climbs into scrub and low branches of trees although it is not as versatile as a mouse. It breeds in shallow burrows, the female rearing about four litters of pups during the summer.

Other animals of the family Muridae

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

Animals that share a litter size with Bank vole

Those animals also give birth to 4 babies at once:

Animals that get as old as a Bank vole

Other animals that usually reach the age of 4.83 years:

Animals with the same weight as a Bank vole

What other animals weight around 20 grams (0.04 lbs)?

Animals with the same size as a Bank vole

Also reaching around 10.6 cm (0′ 5″) in size do these animals: