Dusky Flying Fox vs Ecuadorian Sac-winged Bat

Pteropus brunneus compared with Balantiopteryx infusca

Key Differences

• Dusky Flying Fox is Extinct while Ecuadorian Sac-winged Bat is Endangered.

Taxonomic Classification

Rank	Dusky Flying Fox	Ecuadorian Sac-winged Bat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Chiroptera (翼手目)	Chiroptera (翼手目)
Family	Pteropodidae (Fruit Bats)	Emballonuridae
Genus	Pteropus (Flying Foxes)	Balantiopteryx
Species	Pteropus brunneus	Balantiopteryx infusca

Evolutionary Relationship

Dusky Flying Fox and Ecuadorian Sac-winged Bat share a common ancestor at the Order level: Chiroptera. (翼手目)

Conservation Status

Dusky Flying Fox

EX — Extinct

Ecuadorian Sac-winged Bat

EN — Endangered

Physical Characteristics

Attribute	Dusky Flying Fox	Ecuadorian Sac-winged Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ecuadorian Sac-winged Bat

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