Litter Size

How many babies does a New Guinean rat have at once? (litter size)

How many baby New Guinean rats are in a litter?

A New Guinean rat (Rattus novaeguineae) usually gives birth to around 5 babies.

Upon birth, they weight 5 grams (0.01 lbs) and measure 5.2 cm (0′ 3″). They are a member of the Muridae family (genus: Rattus). An adult New Guinean rat grows up to a size of 17.7 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.

The New Guinean rat (Rattus novaeguineae) is a species of rodent in the family Muridae.It is found only in parts of central Papua New Guinea.

Other animals of the family Muridae

New Guinean rat is a member of the Muridae, as are these animals:

Animals that share a litter size with New Guinean rat

Those animals also give birth to 5 babies at once:

Animals with the same weight as a New Guinean rat

What other animals weight around 133 grams (0.29 lbs)?

Animals with the same size as a New Guinean rat

Also reaching around 17.7 cm (0′ 7″) in size do these animals: