Amazon Black Howler vs Gray-headed Antbird

Alouatta nigerrima compared with Myrmeciza griseiceps

Key Differences

• Amazon Black Howler is Least Concern while Gray-headed Antbird is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Gray-headed Antbird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Atelidae	Thamnophilidae
Genus	Alouatta	Myrmeciza
Species	Alouatta nigerrima	Myrmeciza griseiceps

Evolutionary Relationship

Amazon Black Howler and Gray-headed Antbird share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Gray-headed Antbird

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Gray-headed Antbird
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-headed Antbird

Habitat

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

Range

Found in Ecuador. Currently classified as 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.