Boreal Thorius vs Brown Spider Monkey

Thorius boreas compared with Ateles hybridus

Key Differences

• Boreal Thorius is Endangered while Brown Spider Monkey is Critically Endangered.

Taxonomic Classification

Rank	Boreal Thorius	Brown Spider Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Primates (Primates)
Family	Plethodontidae	Atelidae
Genus	Thorius	Ateles
Species	Thorius boreas	Ateles hybridus

Evolutionary Relationship

Boreal Thorius and Brown Spider Monkey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Boreal Thorius

EN — Endangered

Brown Spider Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Boreal Thorius	Brown Spider Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Boreal Thorius

The Boreal Thorius (Thorius boreas) is a species in the genus Thorius. It is currently classified as Endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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