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Animal Size

Merriam’s pocket mouse size: How big do they get?

How big does a Merriam’s pocket mouse get? Here is an overview over the average adult age:

A grown Merriam’s pocket mouse (Perognathus merriami) reaches an average size of 5.8 cm (0′ 3″).

When born, they have an average size of 0 cm (0′ 0″). Usually, they reach an age of 2.5 years. A full-grown exemplary reaches roughly 6 grams (0.01 lbs). A Merriam’s pocket mouse has 4 babies at once. The Merriam’s pocket mouse (genus: Perognathus) is a member of the family Heteromyidae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

Merriam’s pocket mouse (Perognathus merriami) is a species of rodent in the family Heteromyidae. It is found in northeast Mexico and New Mexico, Oklahoma and Texas in the United States. Its habitat is shortgrass prairie, desert areas with scrub and arid shrubland. The species is named to honor Clinton Hart Merriam, a biologist who first described several other members of the genus Perognathus, and first elucidated the principle of a “life zone” as a means of characterizing ecological areas with similar plant and animal communities.

Animals of the same family as a Merriam’s pocket mouse

We found other animals of the Heteromyidae family:

Animals with the same size as a Merriam’s pocket mouse

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Merriam’s pocket mouse:

Animals with the same litter size as a Merriam’s pocket mouse

Here is a list of animals that have the same number of babies per litter (4) as a Merriam’s pocket mouse:

Animals with the same life expectancy as a Merriam’s pocket mouse

Completely different animals, but becoming as old as a Merriam’s pocket mouse:

Animals with the same weight as a Merriam’s pocket mouse

As a comparison, here are some other animals that weight as much as the Perognathus merriami: