Animal Size

Cactus mouse size: How big do they get?

How big does a Cactus mouse get? Here is an overview over the average adult age:

A grown Cactus mouse (Peromyscus eremicus) reaches an average size of 9.1 cm (0′ 4″).

When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 22 grams (0.05 lbs). On birth they have a weight of 2 grams (0 lbs). Talking about reproduction, Cactus mouses have 2 babies about 3 times per year. The Cactus mouse (genus: Peromyscus) is a member of the family Muridae.

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.

The average adult size of a Cactus mouse is  (0' 4

The cactus mouse (Peromyscus eremicus) is a species of rodent in the family Cricetidae. It is one species of a closely related group of common mice often called deer mice. Cactus mice are small, between 18 and 40 g in weight. Females weigh slightly more than males and are significantly larger in body length, ear length, length of mandible, and bullar width of skull. Cactus mice can be identified by having naked soles on their hind feet and almost naked tails, which are usually the same length or longer than the animals’ body length. Their ears are nearly hairless, large, and membranous. Their fur is long and soft; coloration varies between subspecies and between different populations. Color of fur varies from ochre to cinnamon, with white ventral areas, and the sides and top of head slightly grayish. Females tend to be slightly paler in color than males, while juveniles appear more gray than their parents.

Animals of the same family as a Cactus mouse

We found other animals of the Muridae family:

Animals with the same size as a Cactus mouse

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

Animals with the same litter size as a Cactus mouse

Here is a list of animals that have the same number of babies per litter (2) as a Cactus mouse:

Animals with the same weight as a Cactus mouse

As a comparison, here are some other animals that weight as much as the Peromyscus eremicus: