It is hard to guess what a Pygmy rock mouse weights. But we have the answer:
An adult Pygmy rock mouse (Petromyscus collinus) on average weights 20 grams (0.04 lbs).
The Pygmy rock mouse is from the family Muridae (genus: Petromyscus). It is usually born with about 2 grams (0 lbs). When reaching adult age, they grow up to 100 cm (3′ 4″). On average, Pygmy rock mouses can have babies 1 times per year with a litter size of 2.
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
The pygmy rock mouse (Petromyscus collinus) is a species of rodent in the family Nesomyidae.It is found in Angola, Namibia, and South Africa.Its natural habitat is subtropical or tropical dry shrubland.
Animals of the same family as a Pygmy rock mouse
We found other animals of the Muridae family:
- Tres Marías Island mouse with 2 babies per litter
- Edith’s leaf-eared mouse with a weight of 40 grams
- Guadalcanal rat with a size of 21.6 cm (0′ 9″)
- Southern African vlei rat with a weight of 114 grams
- Neacomys tenuipes with a weight of 19 grams
- Indian bush rat with a weight of 60 grams
- Puebla deer mouse with a weight of 59 grams
- Great Key Island giant rat with a size of 27.5 cm (0′ 11″)
- Lesser stick-nest rat with a weight of 150 grams
- Typical vlei rat with 1 babies per litter
Animals with the same weight as a Pygmy rock mouse
As a comparison, here are some other animals that weight as much as the Petromyscus collinus:
- Ural field mouse bringing 18 grams to the scale
- Dobson’s horseshoe bat bringing 19 grams to the scale
- Northern yellow bat bringing 22 grams to the scale
- Lesser mouse-eared bat bringing 23 grams to the scale
- Veldkamp’s dwarf epauletted fruit bat bringing 21 grams to the scale
- Blackish grass mouse bringing 19 grams to the scale
- Greater forest shrew bringing 16 grams to the scale
- Brown tent-making bat bringing 17 grams to the scale
- Wimmer’s shrew bringing 23 grams to the scale
- Aberdare mole shrew bringing 23 grams to the scale
Animals with the same litter size as a Pygmy rock mouse
Here is a list of animals that have the same number of babies per litter (2) as a Pygmy rock mouse: