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Animal Size

Giant Atlantic tree-rat size: How big do they get?

How big does a Giant Atlantic tree-rat get? Here is an overview over the average adult age:

A grown Giant Atlantic tree-rat (Phyllomys thomasi) reaches an average size of 28.1 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: Phyllomys) 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:

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:

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: