Brown Spider Monkey vs Humboldt's Squirrel Monkey

Ateles hybridus compared with Saimiri cassiquiarensis

Key Differences

• Brown Spider Monkey is Critically Endangered while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Brown Spider 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	Ateles	Saimiri
Species	Ateles hybridus	Saimiri cassiquiarensis

Evolutionary Relationship

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

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Brown Spider Monkey	Humboldt's Squirrel Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

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.

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

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia