Amazon Black Howler vs Equatorial Graytail

Alouatta nigerrima compared with Xenerpestes singularis

Key Differences

• Amazon Black Howler is Least Concern while Equatorial Graytail is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Equatorial Graytail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Atelidae	Furnariidae
Genus	Alouatta	Xenerpestes
Species	Alouatta nigerrima	Xenerpestes singularis

Evolutionary Relationship

Amazon Black Howler and Equatorial Graytail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Equatorial Graytail

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Equatorial Graytail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Equatorial Graytail

Habitat

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

Range

Distributed across Ecuador and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.