Brown Spider Monkey vs Niceforo Maria’s Oldfield Mouse

Ateles hybridus compared with Thomasomys nicefori

Key Differences

• Brown Spider Monkey is Critically Endangered while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Brown Spider Monkey	Niceforo Maria’s Oldfield 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	Cricetidae
Genus	Ateles	Thomasomys
Species	Ateles hybridus	Thomasomys nicefori

Evolutionary Relationship

Brown Spider Monkey and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Brown Spider Monkey	Niceforo Maria’s Oldfield 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.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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