Black-breasted Puffleg vs Narrow-headed Vole

Eriocnemis nigrivestis compared with Microtus gregalis

Key Differences

• Black-breasted Puffleg is Endangered while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Black-breasted Puffleg	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Rodentia (Rodents)
Family	Trochilidae	Cricetidae
Genus	Eriocnemis	Microtus
Species	Eriocnemis nigrivestis	Microtus gregalis

Evolutionary Relationship

Black-breasted Puffleg and Narrow-headed Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-breasted Puffleg

EN — Endangered

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Black-breasted Puffleg	Narrow-headed Vole
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.

Narrow-headed Vole

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.