Brown Spider Monkey vs Hotson’s Brush-tailed Mouse

Ateles hybridus compared with Calomyscus hotsoni

Key Differences

• Brown Spider Monkey is Critically Endangered while Hotson’s Brush-tailed Mouse is Least Concern.

Taxonomic Classification

Rank	Brown Spider Monkey	Hotson’s Brush-tailed Mouse
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	Calomyscidae
Genus	Ateles	Calomyscus
Species	Ateles hybridus	Calomyscus hotsoni

Evolutionary Relationship

Brown Spider Monkey and Hotson’s Brush-tailed Mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Brown Spider Monkey	Hotson’s Brush-tailed Mouse
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.

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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