brown howler monkey vs Gray-bellied Night Monkey

Alouatta guariba compared with Aotus lemurinus

Taxonomic Classification

Rank	brown howler monkey	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Primates (Primates)	Primates (Primates)
Family	Atelidae	Aotidae
Genus	Alouatta	Aotus
Species	Alouatta guariba	Aotus lemurinus

Evolutionary Relationship

brown howler monkey and Gray-bellied Night Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

brown howler monkey

VU — Vulnerable

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	brown howler monkey	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown howler monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

brown howler monkey

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