Brown Spider Monkey vs Guayaquil Squirrel

Ateles hybridus compared with Sciurus stramineus

Key Differences

• Brown Spider Monkey is Critically Endangered while Guayaquil Squirrel is Least Concern.

Taxonomic Classification

Rank	Brown Spider Monkey	Guayaquil Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Atelidae	Sciuridae (Squirrels)
Genus	Ateles	Sciurus (Tree Squirrels)
Species	Ateles hybridus	Sciurus stramineus

Evolutionary Relationship

Brown Spider Monkey and Guayaquil Squirrel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Guayaquil Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Brown Spider Monkey	Guayaquil 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.

Guayaquil Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Peru.

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