Gray-bellied Night Monkey vs Hairy-tailed Tree Rat

Aotus lemurinus compared with Brachytarsomys villosa

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Hairy-tailed Tree Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Aotidae	Nesomyidae
Genus	Aotus	Brachytarsomys
Species	Aotus lemurinus	Brachytarsomys villosa

Evolutionary Relationship

Gray-bellied Night Monkey and Hairy-tailed Tree Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Hairy-tailed Tree Rat

VU — Vulnerable

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Hairy-tailed Tree Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Hairy-tailed Tree Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.