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Litter Size

How many babies does a Plains harvest mouse have at once? (litter size)

How many baby Plains harvest mouses are in a litter?

A Plains harvest mouse (Reithrodontomys montanus) usually gives birth to around 3 babies.

Each of those little ones spend around 21 days as a fetus before they are released into the wild. Upon birth, they weight 1 grams (0 lbs) and measure 4.2 cm (0′ 2″). They are a member of the Muridae family (genus: Reithrodontomys). An adult Plains harvest mouse grows up to a size of 6.9 cm (0′ 3″).

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 plains harvest mouse (Reithrodontomys montanus) is a species of rodent in the family Cricetidae.It is found in northern Mexico and the central United States.

Other animals of the family Muridae

Plains harvest mouse is a member of the Muridae, as are these animals:

Animals that share a litter size with Plains harvest mouse

Those animals also give birth to 3 babies at once:

Animals with the same weight as a Plains harvest mouse

What other animals weight around 10 grams (0.02 lbs)?