black-headed spider monkey vs Delacour's langur

Ateles fusciceps compared with Trachypithecus delacouri

Key Differences

• black-headed spider monkey is Endangered while Delacour's langur is Critically Endangered.

Taxonomic Classification

Rank	black-headed spider monkey	Delacour's langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Primates (Primates)	Primates (Primates)
Family	Atelidae	Cercopithecidae (Old World Monkeys)
Genus	Ateles	Trachypithecus
Species	Ateles fusciceps	Trachypithecus delacouri

Evolutionary Relationship

black-headed spider monkey and Delacour's langur share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

black-headed spider monkey

EN — Endangered

Delacour's langur

CR — Critically Endangered

Physical Characteristics

Attribute	black-headed spider monkey	Delacour's langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

black-headed spider monkey

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Delacour's langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

black-headed spider monkey

The Black-Headed Spider Monkey (Ateles fusciceps) is a species in the genus Ateles. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.