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Litter Size

How many babies does a Sumichrast’s vesper rat have at once? (litter size)

How many baby Sumichrast’s vesper rats are in a litter?

A Sumichrast’s vesper rat (Nyctomys sumichrasti) usually gives birth to around 2 babies.With 8 litters per year, that sums up to a yearly offspring of 16 babies.

Each of those little ones spend around 33 days as a fetus before they are released into the wild. Upon birth, they weight 4 grams (0.01 lbs) and measure 5.1 cm (0′ 3″). They are a member of the Muridae family (genus: Nyctomys). An adult Sumichrast’s vesper rat grows up to a size of 30 cm (1′ 0″).

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 Sumichrast's vesper rat is 2

Sumichrast’s vesper rat (Nyctomys sumichrasti) is a rodent of the family Cricetidae found from southern Mexico to Panama. It is named for the collector of the first specimen, and its closest relative is probably Hatt’s vesper rat, a similar, but slightly smaller, species from the Yucat√°n Peninsula.

Other animals of the family Muridae

Sumichrast’s vesper rat is a member of the Muridae, as are these animals:

Animals that share a litter size with Sumichrast’s vesper rat

Those animals also give birth to 2 babies at once:

Animals that get as old as a Sumichrast’s vesper rat

Other animals that usually reach the age of 5.17 years:

Animals with the same weight as a Sumichrast’s vesper rat

What other animals weight around 59 grams (0.13 lbs)?