Gray-bellied Night Monkey vs Lesser Noctule

Aotus lemurinus compared with Nyctalus leisleri

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Chiroptera (Bats)
Family	Aotidae	Vespertilionidae
Genus	Aotus	Nyctalus
Species	Aotus lemurinus	Nyctalus leisleri

Evolutionary Relationship

Gray-bellied Night Monkey and Lesser Noctule share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Lesser Noctule
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.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.