Brown Spider Monkey vs Gray-cowled Wood-Rail

Ateles hybridus compared with Aramides cajanea

Key Differences

• Brown Spider Monkey is Critically Endangered while Gray-cowled Wood-Rail is Least Concern.

Taxonomic Classification

Rank	Brown Spider Monkey	Gray-cowled Wood-Rail
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Aves (chim)
Order	Primates (bộ Linh trưởng)	Gruiformes (Bộ Sếu)
Family	Atelidae	Rallidae
Genus	Ateles	Aramides
Species	Ateles hybridus	Aramides cajanea

Evolutionary Relationship

Brown Spider Monkey and Gray-cowled Wood-Rail share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Gray-cowled Wood-Rail

LC — Least Concern

Physical Characteristics

Attribute	Brown Spider Monkey	Gray-cowled Wood-Rail
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.

Gray-cowled Wood-Rail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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

Gray-cowled Wood-Rail

Gray-cowled Wood-Rail (Aramides cajanea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela