It is hard to guess what a Short-tailed spiny rat weights. But we have the answer:
An adult Short-tailed spiny rat (Proechimys brevicauda) on average weights 284 grams (0.63 lbs).
The Short-tailed spiny rat is from the family Echimyidae (genus: Proechimys). When reaching adult age, they grow up to 42.8 cm (1′ 5″).
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 short-tailed spiny-rat, Proechimys brevicauda, or Huallaga spiny rat, is a spiny rat species from South America. It is found in Bolivia, Brazil, Colombia, Ecuador and Peru.
Animals of the same family as a Short-tailed spiny rat
We found other animals of the Echimyidae family:
- Roberto’s spiny rat with a weight of 285 grams
- Peruvian tree-rat with a weight of 315 grams
- White-tailed olalla rat with a weight of 274 grams
- Montane bamboo rat with a weight of 382 grams
- Armored rat with a weight of 281 grams
- Elias’s Atlantic spiny rat with 3 babies per litter
- Guyenne spiny rat with a weight of 314 grams
- Yellow-crowned brush-tailed rat with a weight of 445 grams
- Giant tree-rat with a weight of 584 grams
- Golden Atlantic tree-rat with a weight of 243 grams
Animals with the same weight as a Short-tailed spiny rat
As a comparison, here are some other animals that weight as much as the Proechimys brevicauda:
- Southern mountain cavy bringing 261 grams to the scale
- San Martín Island woodrat bringing 240 grams to the scale
- Nectomys rattus bringing 249 grams to the scale
- Deppe’s squirrel bringing 250 grams to the scale
- Samoa flying fox bringing 309 grams to the scale
- Guyenne spiny rat bringing 315 grams to the scale
- White-spined Atlantic spiny rat bringing 285 grams to the scale
- Smoky pocket gopher bringing 302 grams to the scale
- Mentawai squirrel bringing 296 grams to the scale
- Lyle’s flying fox bringing 319 grams to the scale