It is hard to guess what a Giant tree-rat weights. But we have the answer:
An adult Giant tree-rat (Echimys grandis) on average weights 584 grams (1.29 lbs).
The Giant tree-rat is from the family Echimyidae (genus: Echimys). When reaching adult age, they grow up to 29.7 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 tree-rat (Toromys grandis) is a species in the family Echimyidae, the spiny rats. It is the only species in the monotypic genus Toromys. It is endemic to Brazil, where it occurs in the flooded forest along the banks of the Amazon River and its tributaries.This species was formerly considered to be a member of the genera Loncheres and Makalata. In 2005 it was reclassified as the only member of the new genus Toromys.The etymology of the genus name derives from the onomatopoeic Portuguese word toró, referring to the vocalizations of this rodent, and the ancient greek word μῦς (mûs), meaning “mouse, rat”.
Animals of the same family as a Giant tree-rat
We found other animals of the Echimyidae family:
- Short-furred Atlantic tree-rat with a weight of 439 grams
- Roberto’s spiny rat with a weight of 284 grams
- Cuvier’s spiny rat with a weight of 339 grams
- Pallid Atlantic tree-rat with a weight of 215 grams
- Amazon bamboo rat with a weight of 650 grams
- White-spined Atlantic spiny rat with a weight of 284 grams
- Short-tailed spiny rat with a weight of 285 grams
- Atlantic bamboo rat with a weight of 600 grams
- Brazilian spiny tree-rat with a weight of 400 grams
- Napo spiny rat with a weight of 285 grams
Animals with the same weight as a Giant tree-rat
As a comparison, here are some other animals that weight as much as the Echimys grandis:
- Striped bandicoot bringing 542 grams to the scale
- Squirrel-toothed rat bringing 511 grams to the scale
- Yellow mongoose bringing 694 grams to the scale
- Greater bandicoot rat bringing 583 grams to the scale
- Moustached tamarin bringing 557 grams to the scale
- Musky rat-kangaroo bringing 535 grams to the scale
- Pemba flying fox bringing 541 grams to the scale
- Bougainville monkey-faced bat bringing 573 grams to the scale
- Guadalcanal monkey-faced bat bringing 489 grams to the scale
- White-lipped tamarin bringing 509 grams to the scale