Brown Spider Monkey vs Pallas's squirrel, Red-bellied tree squirrel

Ateles hybridus compared with Callosciurus erythraeus

Key Differences

• Brown Spider Monkey is Critically Endangered while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Brown Spider Monkey	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mamalia)	Mammalia (mamalia)
Order	Primates (Primata)	Rodentia (hewan pengerat)
Family	Atelidae	Sciuridae (Squirrels)
Genus	Ateles	Callosciurus
Species	Ateles hybridus	Callosciurus erythraeus

Evolutionary Relationship

Brown Spider Monkey and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Class level: Mammalia. (mamalia)

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Spider Monkey	Pallas's squirrel, Red-bellied tree squirrel
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.

Pallas's squirrel, Red-bellied tree squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and South America (Argentina).

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