Black Howler Monkey vs Brown Spider Monkey

Alouatta pigra compared with Ateles hybridus

Key Differences

• Black Howler Monkey is Endangered while Brown Spider Monkey is Critically Endangered.

Taxonomic Classification

Rank	Black Howler Monkey	Brown Spider 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 same	Atelidae	Atelidae
Genus	Alouatta	Ateles
Species	Alouatta pigra	Ateles hybridus

Evolutionary Relationship

Black Howler Monkey and Brown Spider Monkey share a common ancestor at the Family level: Atelidae.

Conservation Status

Black Howler Monkey

EN — Endangered

Brown Spider Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Black Howler Monkey	Brown Spider Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Spider Monkey

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Black Howler Monkey

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

Brown Spider Monkey

The Brown Spider Monkey (Ateles hybridus) is a species in the genus Ateles. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the