Black Howler Monkey vs Humboldt's Squirrel Monkey

Alouatta pigra compared with Saimiri cassiquiarensis

Key Differences

• Black Howler Monkey is Endangered while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Black Howler Monkey	Humboldt's Squirrel 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	Cebidae
Genus	Alouatta	Saimiri
Species	Alouatta pigra	Saimiri cassiquiarensis

Evolutionary Relationship

Black Howler Monkey and Humboldt's Squirrel Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Black Howler Monkey

EN — Endangered

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Black Howler Monkey	Humboldt's Squirrel Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Humboldt's Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.