Litter Size

How many babies does a Northern grass mouse have at once? (litter size)

How many baby Northern grass mouses are in a litter?

A Northern grass mouse (Necromys urichi) usually gives birth to around 5 babies.With 3 litters per year, that sums up to a yearly offspring of 15 babies.

Upon birth, they weight 3 grams (0.01 lbs) and measure 6 cm (0′ 3″). They are a member of the Cricetidae family (genus: Necromys). An adult Northern grass mouse grows up to a size of 10.8 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 northern grass mouse, or northern akodont, (Necromys urichi) is a species of rodent in the family Cricetidae. It is found in Brazil, Colombia, Venezuela and Trinidad and Tobago.

Other animals of the family Cricetidae

Northern grass mouse is a member of the Cricetidae, as are these animals:

Animals that share a litter size with Northern grass mouse

Those animals also give birth to 5 babies at once:

Animals with the same weight as a Northern grass mouse

What other animals weight around 44 grams (0.1 lbs)?