Gray-bellied Night Monkey vs Japanese Weasel

Aotus lemurinus compared with Mustela itatsi

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Japanese Weasel
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Primates (영장목)	Carnivora (식육목)
Family	Aotidae	Mustelidae (Weasels & Otters)
Genus	Aotus	Mustela
Species	Aotus lemurinus	Mustela itatsi

Evolutionary Relationship

Gray-bellied Night Monkey and Japanese Weasel share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Japanese Weasel
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.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.