Guam Flying Fox vs Lesser Yellow-shouldered Bat

Pteropus tokudae compared with Sturnira nana

Key Differences

• Guam Flying Fox is Extinct while Lesser Yellow-shouldered Bat is Endangered.

Taxonomic Classification

Rank	Guam Flying Fox	Lesser Yellow-shouldered Bat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Chiroptera (翼手目)	Chiroptera (翼手目)
Family	Pteropodidae (Fruit Bats)	Phyllostomidae
Genus	Pteropus (Flying Foxes)	Sturnira
Species	Pteropus tokudae	Sturnira nana

Evolutionary Relationship

Guam Flying Fox and Lesser Yellow-shouldered Bat share a common ancestor at the Order level: Chiroptera. (翼手目)

Conservation Status

Guam Flying Fox

EX — Extinct

Lesser Yellow-shouldered Bat

EN — Endangered

Physical Characteristics

Attribute	Guam Flying Fox	Lesser Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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