It is hard to guess what a Napo spiny rat weights. But we have the answer:
An adult Napo spiny rat (Proechimys amphichoricus) on average weights 285 grams (0.63 lbs).
The Napo 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 Napo spiny rat, Proechimys quadruplicatus, is a spiny rat species from South America. It is found in Brazil, Colombia, Ecuador, Peru and Venezuela.
Animals of the same family as a Napo spiny rat
We found other animals of the Echimyidae family:
- Common punaré with a weight of 298 grams
- Speckled spiny tree-rat with a weight of 283 grams
- White-spined Atlantic spiny rat with a weight of 284 grams
- Sucre spiny rat with a weight of 284 grams
- Painted tree-rat with a weight of 519 grams
- Long-tailed armored tree-rat with a weight of 439 grams
- Dark spiny tree-rat with a weight of 627 grams
- Gracile Atlantic spiny rat with 1 babies per litter
- Black-spined Atlantic tree-rat with a weight of 224 grams
- Sinnamary brush-tailed rat with a weight of 291 grams
Animals with the same weight as a Napo spiny rat
As a comparison, here are some other animals that weight as much as the Proechimys amphichoricus:
- Hammer-headed bat bringing 336 grams to the scale
- Greater hedgehog tenrec bringing 277 grams to the scale
- Philippine forest rat bringing 253 grams to the scale
- Squirrel glider bringing 230 grams to the scale
- Emilia’s marmoset bringing 309 grams to the scale
- Red squirrel bringing 333 grams to the scale
- Short-tailed spiny rat bringing 285 grams to the scale
- Richardson’s ground squirrel bringing 325 grams to the scale
- Richmond’s squirrel bringing 237 grams to the scale
- Ornate flying fox bringing 335 grams to the scale