Amazon Black Howler vs Cottontop Tamarin

Alouatta nigerrima compared with Saguinus oedipus

Key Differences

• Amazon Black Howler is Least Concern while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Cottontop Tamarin
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order same	Primates (bộ Linh trưởng)	Primates (bộ Linh trưởng)
Family	Atelidae	Callitrichidae
Genus	Alouatta	Saguinus
Species	Alouatta nigerrima	Saguinus oedipus

Evolutionary Relationship

Amazon Black Howler and Cottontop Tamarin share a common ancestor at the Order level: Primates. (bộ Linh trưởng)

Conservation Status

Amazon Black Howler

LC — Least Concern

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Cottontop Tamarin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cottontop Tamarin

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 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Amazon Black Howler

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.