It is hard to guess what a Giant Atlantic tree-rat weights. But we have the answer:
An adult Giant Atlantic tree-rat (Phyllomys thomasi) on average weights 502 grams (1.11 lbs).
The Giant Atlantic tree-rat is from the family Echimyidae (genus: Phyllomys). When reaching adult age, they grow up to 28.1 cm (1′ 0″).
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 giant Atlantic tree-rat (Phyllomys thomasi) is a spiny rat species from South America. The species is endemic to São Sebastião Island off the coast of São Paulo State, Brazil, which is protected by the Ilhabela State Park.
Animals of the same family as a Giant Atlantic tree-rat
We found other animals of the Echimyidae family:
- Drab Atlantic tree-rat with a weight of 260 grams
- Hairy Atlantic spiny rat with a weight of 285 grams
- Dusky spiny tree-rat with a weight of 108 grams
- Simons’s spiny rat with a weight of 284 grams
- Ihering’s Atlantic spiny rat with a weight of 221 grams
- White-tailed olalla rat with a weight of 274 grams
- Goeldi’s spiny rat with a weight of 284 grams
- Sinnamary brush-tailed rat with a weight of 291 grams
- Brazilian spiny tree-rat with a weight of 398 grams
- Bristle-spined rat bringing 1.3 kilos (2.87 lbs) to the scale
Animals with the same weight as a Giant Atlantic tree-rat
As a comparison, here are some other animals that weight as much as the Phyllomys thomasi:
- Squirrel-toothed rat bringing 511 grams to the scale
- Siberian weasel bringing 531 grams to the scale
- Striped bandicoot bringing 542 grams to the scale
- Moustached tamarin bringing 557 grams to the scale
- Allegheny woodrat bringing 447 grams to the scale
- Moluccan naked-backed fruit bat bringing 439 grams to the scale
- Emperor tamarin bringing 409 grams to the scale
- Atlantic bamboo rat bringing 600 grams to the scale
- Black and rufous elephant shrew bringing 423 grams to the scale
- Small flying fox bringing 434 grams to the scale
Animals with the same size as a Giant Atlantic tree-rat
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Giant Atlantic tree-rat:
- Pichi with a size of 29.7 cm (1′ 0″)
- Painted ringtail possum with a size of 26.5 cm (0′ 11″)
- Masoala fork-marked lemur with a size of 26.1 cm (0′ 11″)
- Allen’s squirrel with a size of 23.4 cm (0′ 10″)
- Belding’s ground squirrel with a size of 23.6 cm (0′ 10″)
- Hagen’s flying squirrel with a size of 24.8 cm (0′ 10″)
- Oncilla with a size of 25 cm (0′ 10″)
- Eastern lesser bamboo lemur with a size of 33.5 cm (1′ 2″)
- Gunnison’s prairie dog with a size of 27.9 cm (0′ 11″)
- Short-tailed chinchilla with a size of 30.5 cm (1′ 1″)