Black-breasted Puffleg vs Guam Flying Fox

Eriocnemis nigrivestis compared with Pteropus tokudae

Key Differences

• Black-breasted Puffleg is Endangered while Guam Flying Fox is Extinct.

Taxonomic Classification

Rank	Black-breasted Puffleg	Guam Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Chiroptera (Bats)
Family	Trochilidae	Pteropodidae (Fruit Bats)
Genus	Eriocnemis	Pteropus (Flying Foxes)
Species	Eriocnemis nigrivestis	Pteropus tokudae

Evolutionary Relationship

Black-breasted Puffleg and Guam Flying Fox share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-breasted Puffleg

EN — Endangered

Guam Flying Fox

EX — Extinct

Physical Characteristics

Attribute	Black-breasted Puffleg	Guam Flying Fox
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.

Guam Flying Fox

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.