Dusky Flying Fox vs Gorgeted Puffleg

Pteropus brunneus compared with Eriocnemis isabellae

Key Differences

• Dusky Flying Fox is Extinct while Gorgeted Puffleg is Critically Endangered.

Taxonomic Classification

Rank	Dusky Flying Fox	Gorgeted Puffleg
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Apodiformes (Apodiformes)
Family	Pteropodidae (Fruit Bats)	Trochilidae
Genus	Pteropus (Flying Foxes)	Eriocnemis
Species	Pteropus brunneus	Eriocnemis isabellae

Evolutionary Relationship

Dusky Flying Fox and Gorgeted Puffleg share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Flying Fox

EX — Extinct

Gorgeted Puffleg

CR — Critically Endangered

Physical Characteristics

Attribute	Dusky Flying Fox	Gorgeted Puffleg
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gorgeted Puffleg

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and montane grasslands and shrublands, among 4 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.