Litter Size

How many babies does a African grass rat have at once? (litter size)

How many baby African grass rats are in a litter?

A African grass rat (Arvicanthis niloticus) 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 4 grams (0.01 lbs) and measure 5.8 cm (0′ 3″). They are a member of the Muridae family (genus: Arvicanthis). An adult African grass rat grows up to a size of 9.5 cm (0′ 4″).

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 African grass rat is 4

The African grass rat (Arvicanthis niloticus) is a species of rodent in the family Murinae.

Other animals of the family Muridae

African grass rat is a member of the Muridae, as are these animals:

Animals that share a litter size with African grass rat

Those animals also give birth to 4 babies at once:

Animals with the same weight as a African grass rat

What other animals weight around 95 grams (0.21 lbs)?