How big does a Western New Guinea mountain rat get? Here is an overview over the average adult age:
A grown Western New Guinea mountain rat (Rattus arrogans) reaches an average size of 13.1 cm (0′ 6″).
When born, they have an average size of 0 cm (0′ 0″). The Western New Guinea mountain rat (genus: Rattus) 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 western New Guinea mountain rat (Rattus arrogans) is a species of rodent in the family Muridae. It is widespread in the mountains of central and western New Guinea.
Animals of the same family as a Western New Guinea mountain rat
We found other animals of the Muridae family:
- Black-clawed brush-furred rat with a weight of 10 grams
- Mount Pirri isthmus rat with 2 babies per litter
- Shaw’s jird with 5 babies per litter
- Ryukyu spiny rat with a weight of 84 grams
- Smoke-bellied rat with 4 babies per litter
- Long-nosed Luzon forest mouse with a size of 10.9 cm (0′ 5″)
- Tumbala climbing rat with a weight of 280 grams
- House mouse with 5 babies per litter
- Eligmodontia typus with 6 babies per litter
- Coues’s climbing mouse with a weight of 89 grams
Animals with the same size as a Western New Guinea mountain rat
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Western New Guinea mountain rat:
- Eastern chestnut mouse with a size of 10.9 cm (0′ 5″)
- Gray-footed chipmunk with a size of 13.1 cm (0′ 6″)
- Long-tailed hopping mouse with a size of 13.8 cm (0′ 6″)
- Long-tailed Talaud mosaic-tailed rat with a size of 15.2 cm (0′ 6″)
- Hairy-tailed mole with a size of 12.7 cm (0′ 5″)
- Golden spiny mouse with a size of 11.1 cm (0′ 5″)
- Angoni vlei rat with a size of 15 cm (0′ 6″)
- Mexican volcano mouse with a size of 11.5 cm (0′ 5″)
- Cape elephant shrew with a size of 11.9 cm (0′ 5″)
- Pseudoryzomys with a size of 12.9 cm (0′ 6″)