It is hard to guess what a Dark spiny tree-rat weights. But we have the answer:
An adult Dark spiny tree-rat (Echimys saturnus) on average weights 627 grams (1.38 lbs).
The Dark spiny tree-rat is from the family Echimyidae (genus: Echimys). When reaching adult age, they grow up to 21.3 cm (0′ 9″).
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 dark spiny tree-rat (Echimys saturnus) is a species of rodent in the family Echimyidae.It is a rarely encountered and nocturnal species, found in eastern Ecuador and central Peru.As compared to Echimys chrysurus, the main diagnostic character state of this Echimys species is the mostly black dorsal part of head and body. In addition, E. saturnus can be distinguished from Echimys vieirai by possessing a venter spotted with white while it is uniformly grayish brown in the latter species.
Animals of the same family as a Dark spiny tree-rat
We found other animals of the Echimyidae family:
- Drab Atlantic tree-rat with a weight of 260 grams
- Soft-spined Atlantic spiny rat with a weight of 168 grams
- Cuvier’s spiny rat with a weight of 339 grams
- Magdalena spiny rat with a weight of 284 grams
- Minca spiny rat with a weight of 284 grams
- Simons’s spiny rat with a weight of 285 grams
- Simons’s spiny rat with a weight of 284 grams
- Peruvian tree-rat with a weight of 315 grams
- Greedy olalla rat with a weight of 206 grams
- Giant tree-rat with a weight of 584 grams
Animals with the same weight as a Dark spiny tree-rat
As a comparison, here are some other animals that weight as much as the Echimys saturnus:
- Insular flying fox bringing 560 grams to the scale
- Bengal mongoose bringing 741 grams to the scale
- Grey-headed flying fox bringing 702 grams to the scale
- Rakali bringing 626 grams to the scale
- Marbled polecat bringing 594 grams to the scale
- Mexican fox squirrel bringing 697 grams to the scale
- Narrow-striped mongoose bringing 664 grams to the scale
- Goeldi’s marmoset bringing 558 grams to the scale
- Amazon bamboo rat bringing 650 grams to the scale
- Black flying fox bringing 609 grams to the scale