Black-breasted Puffleg vs Delacour's langur

Eriocnemis nigrivestis compared with Trachypithecus delacouri

Key Differences

• Black-breasted Puffleg is Endangered while Delacour's langur is Critically Endangered.

Taxonomic Classification

Rank	Black-breasted Puffleg	Delacour's langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Primates (Primates)
Family	Trochilidae	Cercopithecidae (Old World Monkeys)
Genus	Eriocnemis	Trachypithecus
Species	Eriocnemis nigrivestis	Trachypithecus delacouri

Evolutionary Relationship

Black-breasted Puffleg and Delacour's langur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-breasted Puffleg

EN — Endangered

Delacour's langur

CR — Critically Endangered

Physical Characteristics

Attribute	Black-breasted Puffleg	Delacour's langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Delacour's langur

Habitat

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.