Animal Age

How old does a Merriam’s kangaroo rat get? (age expectancy)

What is the maximal age a Merriam’s kangaroo rat reaches?

An adult Merriam’s kangaroo rat (Dipodomys merriami) usually gets as old as 2 years.

Merriam’s kangaroo rats are around 30 days in the womb of their mother. When born, they weight 3 grams (0.01 lbs) and measure 27.5 cm (0′ 11″). As a member of the Heteromyidae family (genus: Dipodomys), a Merriam’s kangaroo rat caries out around 2 little ones per pregnancy, which happens around 1 times a year. Fully grown, they reach a bodylength of 4.9 cm (0′ 2″).

As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.

A Merriam's kangaroo rat gets as old as 2 years

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

Animals of the same family as a Merriam’s kangaroo rat

Not really brothers and sisters, but from the same biological family (Heteromyidae):

Animals that reach the same age as Merriam’s kangaroo rat

With an average age of 2 years, Merriam’s kangaroo rat are in good companionship of the following animals:

Animals with the same number of babies Merriam’s kangaroo rat

The same number of babies at once (2) are born by:

Weighting as much as Merriam’s kangaroo rat

A fully grown Merriam’s kangaroo rat reaches around 37 grams (0.08 lbs). So do these animals:

Animals as big as a Merriam’s kangaroo rat

Those animals grow as big as a Merriam’s kangaroo rat: