Brown Spider Monkey vs Least Tern

Ateles hybridus compared with Sternula antillarum

Key Differences

• Brown Spider Monkey is Critically Endangered while Least Tern is Least Concern.

Taxonomic Classification

Rank	Brown Spider Monkey	Least Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Atelidae	Laridae
Genus	Ateles	Sternula
Species	Ateles hybridus	Sternula antillarum

Evolutionary Relationship

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

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Least Tern

LC — Least Concern

Physical Characteristics

Attribute	Brown Spider Monkey	Least Tern
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.

Least Tern

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

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela