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Litter Size

How many babies does a North American brown lemming have at once? (litter size)

How many baby North American brown lemmings are in a litter?

A North American brown lemming (Lemmus trimucronatus) usually gives birth to around 6 babies.

Each of those little ones spend around 20 days as a fetus before they are released into the wild. Upon birth, they weight 12 grams (0.03 lbs) and measure 6 cm (0′ 3″). They are a member of the Cricetidae family (genus: Lemmus). An adult North American brown lemming grows up to a size of 14 cm (0′ 6″).

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 North American brown lemming is 6

The North American brown lemming (Lemmus trimucronatus) is a small North American lemming. Originally called the Siberian brown lemming (Lemmus sibiricus) they were later formed into two distinct species.

Other animals of the family Cricetidae

North American brown lemming is a member of the Cricetidae, as are these animals:

Animals that share a litter size with North American brown lemming

Those animals also give birth to 6 babies at once:

Animals with the same weight as a North American brown lemming

What other animals weight around 69 grams (0.15 lbs)?