Black-headed Night Monkey vs brown woolly monkey

Aotus nigriceps compared with Lagothrix lagothricha

Key Differences

• Black-headed Night Monkey is Least Concern while brown woolly monkey is Vulnerable.

Taxonomic Classification

Rank	Black-headed Night Monkey	brown woolly monkey
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Primates (灵长目)	Primates (灵长目)
Family	Aotidae	Atelidae
Genus	Aotus	Lagothrix
Species	Aotus nigriceps	Lagothrix lagothricha

Evolutionary Relationship

Black-headed Night Monkey and brown woolly monkey share a common ancestor at the Order level: Primates. (灵长目)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

brown woolly monkey

VU — Vulnerable

Physical Characteristics

Attribute	Black-headed Night Monkey	brown woolly monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

brown woolly monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

brown woolly monkey

The Brown Woolly Monkey (Lagothrix lagothricha) is a species in the genus Lagothrix. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.