Litter Size

How many babies does a Tundra shrew have at once? (litter size)

How many baby Tundra shrews are in a litter?

A Tundra shrew (Sorex tundrensis) usually gives birth to around 8 babies.

Upon birth, they weight 5 grams (0.01 lbs) and measure 1.6 cm (0′ 1″). They are a member of the Soricidae family (genus: Sorex). An adult Tundra shrew grows up to a size of 6.8 cm (0′ 3″).

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 Tundra shrew is 8

The tundra shrew (Sorex tundrensis) is a small shrew found in Alaska, the northern Yukon Territory, the MacKenzie Delta region of the Northwest Territories, extreme northwestern British Columbia and eastern Russia. At one time, this animal was considered to be a subspecies of the Arctic shrew (Sorex arcticus).It is dark brown on its back with pale brown sides and grey underparts. Its tail is brown on top and lighter brown below. Its fur grows longer for winter. Its body is about 12 centimetres (4.7 in) in length including a 4 centimetres (1.6 in) long tail. It weighs about 11 grams (0.39 oz).This animal is found on hillsides with shrubs or grassy vegetation or dry ridges near marshes or bogs. It eats insects, worms and grasses. Predators include hawks and owls. This animal is active day and night year-round, burrowing through the snow in winter. It mates during the spring. 4 to 8 young are born in a nest under a log or in a crevice.

Other animals of the family Soricidae

Tundra shrew is a member of the Soricidae, as are these animals:

Animals that share a litter size with Tundra shrew

Those animals also give birth to 8 babies at once:

Animals with the same weight as a Tundra shrew

What other animals weight around 7 grams (0.02 lbs)?

Animals with the same size as a Tundra shrew

Also reaching around 6.8 cm (0′ 3″) in size do these animals: