Brown Spider Monkey vs Pacific Spiny-rat

Ateles hybridus compared with Proechimys decumanus

Key Differences

• Brown Spider Monkey is Critically Endangered while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Brown Spider Monkey	Pacific Spiny-rat
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	Echimyidae
Genus	Ateles	Proechimys
Species	Ateles hybridus	Proechimys decumanus

Evolutionary Relationship

Brown Spider Monkey and Pacific Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Brown Spider Monkey	Pacific Spiny-rat
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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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