Litter Size

How many babies does a Stein’s rat have at once? (litter size)

How many baby Stein’s rats are in a litter?

A Stein’s rat (Rattus steini) usually gives birth to around 3 babies.

Upon birth, they weight 3 grams (0.01 lbs) and measure 4.2 cm (0′ 2″). They are a member of the Muridae family (genus: Rattus). An adult Stein’s rat grows up to a size of 17.1 cm (0′ 7″).

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.

Stein’s rat (Rattus steini), also known as the small spiny rat, is a species of rodent in the family Muridae. It is found in West Papua, Indonesia and Papua New Guinea.

Other animals of the family Muridae

Stein’s rat is a member of the Muridae, as are these animals:

Animals that share a litter size with Stein’s rat

Those animals also give birth to 3 babies at once:

Animals with the same weight as a Stein’s rat

What other animals weight around 151 grams (0.33 lbs)?

Animals with the same size as a Stein’s rat

Also reaching around 17.1 cm (0′ 7″) in size do these animals: