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Litter Size

How many babies does a Amazonian marsh rat have at once? (litter size)

How many baby Amazonian marsh rats are in a litter?

A Amazonian marsh rat (Holochilus sciureus) usually gives birth to around 3 babies.

Upon birth, they weight 5 grams (0.01 lbs) and measure 1.5 cm (0′ 1″). They are a member of the Muridae family (genus: Holochilus). An adult Amazonian marsh rat grows up to a size of 22.3 cm (0′ 9″).

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 Amazonian marsh rat (Holochilus sciureus), also known as the common marsh rat, or simply the marsh rat, is a rodent species from South America.

Other animals of the family Muridae

Amazonian marsh rat is a member of the Muridae, as are these animals:

Animals that share a litter size with Amazonian marsh rat

Those animals also give birth to 3 babies at once:

Animals with the same weight as a Amazonian marsh rat

What other animals weight around 120 grams (0.26 lbs)?