Amazon Black Howler vs Arrui

Alouatta nigerrima compared with Ammotragus lervia

Key Differences

• Amazon Black Howler is Least Concern while Arrui is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Arrui
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Primates (Primates)	Artiodactyla (artiodáctilos)
Family	Atelidae	Bovidae (Bovids)
Genus	Alouatta	Ammotragus
Species	Alouatta nigerrima	Ammotragus lervia

Evolutionary Relationship

Amazon Black Howler and Arrui share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Amazon Black Howler

LC — Least Concern

Arrui

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Arrui
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arrui

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Europe (7 countries), and North America (United States). Currently classified as Vulnerable 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.

Arrui

The Aoudad (Ammotragus lervia) is a species in the genus Ammotragus. It is currently classified as Vulnerable on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Afrotropic and Palearctic.