Amazon Black Howler vs Black-breasted Puffleg

Alouatta nigerrima compared with Eriocnemis nigrivestis

Key Differences

• Amazon Black Howler is Least Concern while Black-breasted Puffleg is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Black-breasted Puffleg
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Apodiformes (Apodiformes)
Family	Atelidae	Trochilidae
Genus	Alouatta	Eriocnemis
Species	Alouatta nigerrima	Eriocnemis nigrivestis

Evolutionary Relationship

Amazon Black Howler and Black-breasted Puffleg share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Black-breasted Puffleg

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Black-breasted Puffleg
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-breasted Puffleg

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 Ecuador and Norway. 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.

Black-breasted Puffleg

The Black-breasted Puffleg (Eriocnemis nigrivestis) is a species in the genus Eriocnemis. 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.