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 (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	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. (灵长目)

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.