Animal Weight

How much does a Giant Atlantic tree-rat weight?

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:

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:

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: