It is hard to guess what a Simons’s spiny rat weights. But we have the answer:
An adult Simons’s spiny rat (Proechimys simonsi) on average weights 284 grams (0.63 lbs).
The Simons’s spiny rat is from the family Echimyidae (genus: Proechimys). When reaching adult age, they grow up to 22.9 cm (0′ 10″).
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.
Simons’s spiny rat, Proechimys simonsi, is a spiny rat species from South America. It is found in Bolivia, Brazil, Colombia, Ecuador and Peru. It was named for American scientific collector Perry O. Simons.
Animals of the same family as a Simons’s spiny rat
We found other animals of the Echimyidae family:
- White-faced spiny tree-rat with a weight of 610 grams
- Woolly-headed spiny tree-rat with a weight of 108 grams
- Golden Atlantic tree-rat with a weight of 243 grams
- Owl’s spiny rat with a weight of 114 grams
- Guyenne spiny rat with a weight of 285 grams
- Ihering’s Atlantic spiny rat with a weight of 220 grams
- Short-tailed spiny rat with a weight of 284 grams
- Steere’s spiny rat with a weight of 284 grams
- Atlantic bamboo rat with a weight of 600 grams
- Painted tree-rat with a weight of 518 grams
Animals with the same weight as a Simons’s spiny rat
As a comparison, here are some other animals that weight as much as the Proechimys simonsi:
- Hammer-headed bat bringing 336 grams to the scale
- Bennett’s chinchilla rat bringing 251 grams to the scale
- Golden Atlantic tree-rat bringing 243 grams to the scale
- Guyanan spiny rat bringing 284 grams to the scale
- Round-tailed muskrat bringing 265 grams to the scale
- Mouse-tailed Atlantic spiny rat bringing 284 grams to the scale
- Southern Plains woodrat bringing 255 grams to the scale
- Derby’s woolly opossum bringing 328 grams to the scale
- Tate’s triok bringing 252 grams to the scale
- Goeldi’s spiny rat bringing 284 grams to the scale