Litter Size

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

How many baby Merriam’s kangaroo rats are in a litter?

A Merriam’s kangaroo rat (Dipodomys merriami) usually gives birth to around 2 babies.With 1 litters per year, that sums up to a yearly offspring of 2 babies.

Each of those little ones spend around 30 days as a fetus before they are released into the wild. Upon birth, they weight 3 grams (0.01 lbs) and measure 27.5 cm (0′ 11″). They are a member of the Heteromyidae family (genus: Dipodomys). An adult Merriam’s kangaroo rat grows up to a size of 4.9 cm (0′ 2″).

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 Merriam's kangaroo rat is 2

Merriam’s kangaroo rat (Dipodomys merriami) is a species of rodent in the family Heteromyidae. The species name commemorates Clinton Hart Merriam.

Other animals of the family Heteromyidae

Merriam’s kangaroo rat is a member of the Heteromyidae, as are these animals:

Animals that share a litter size with Merriam’s kangaroo rat

Those animals also give birth to 2 babies at once:

Animals that get as old as a Merriam’s kangaroo rat

Other animals that usually reach the age of 2 years:

Animals with the same weight as a Merriam’s kangaroo rat

What other animals weight around 37 grams (0.08 lbs)?

Animals with the same size as a Merriam’s kangaroo rat

Also reaching around 4.9 cm (0′ 2″) in size do these animals: