How big does a Giant Atlantic tree-rat get? Here is an overview over the average adult age:
A grown Giant Atlantic tree-rat (Echimys thomasi) reaches an average size of 28.2 cm (1′ 0″).
When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 502 grams (1.11 lbs). The Giant Atlantic tree-rat (genus: Echimys) is a member of the family Echimyidae.
As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.
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:
- Minca spiny rat with a weight of 284 grams
- Napo spiny rat with a weight of 284 grams
- Orange-brown Atlantic tree-rat with a weight of 312 grams
- Mouse-tailed Atlantic spiny rat with a weight of 284 grams
- Simons’s spiny rat with a weight of 284 grams
- Giant tree-rat with a weight of 584 grams
- Pallid Atlantic tree-rat with a weight of 215 grams
- Dusky spiny tree-rat with a weight of 108 grams
- Simons’s spiny rat with a weight of 285 grams
- Painted tree-rat with a weight of 519 grams
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:
- Black and red bush squirrel with a size of 24.3 cm (0′ 10″)
- Tailless tenrec with a size of 32.7 cm (1′ 1″)
- Slender-tailed squirrel with a size of 26.5 cm (0′ 11″)
- Pichi with a size of 29.7 cm (1′ 0″)
- Utah prairie dog with a size of 28.8 cm (1′ 0″)
- Common degu with a size of 28 cm (1′ 0″)
- Lyle’s flying fox with a size of 23.7 cm (0′ 10″)
- Bengal mongoose with a size of 30.8 cm (1′ 1″)
- Eastern barred bandicoot with a size of 32.3 cm (1′ 1″)
- Arizona gray squirrel with a size of 26.4 cm (0′ 11″)
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 Echimys thomasi:
- Mexican gray squirrel bringing 456 grams to the scale
- White-lipped tamarin bringing 509 grams to the scale
- Indonesian mountain weasel bringing 466 grams to the scale
- Desert bandicoot bringing 499 grams to the scale
- Pemba flying fox bringing 541 grams to the scale
- Spermophilus relictus bringing 600 grams to the scale
- Yellow-crowned brush-tailed rat bringing 445 grams to the scale
- Insular flying fox bringing 560 grams to the scale
- Volcano rabbit bringing 465 grams to the scale
- Collie’s squirrel bringing 498 grams to the scale