Guam Flying Fox vs Red-flanked Bluetail

Pteropus tokudae compared with Tarsiger cyanurus

Key Differences

• Guam Flying Fox is Extinct while Red-flanked Bluetail is Endangered.

Taxonomic Classification

Rank	Guam Flying Fox	Red-flanked Bluetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Pteropodidae (Fruit Bats)	Muscicapidae
Genus	Pteropus (Flying Foxes)	Tarsiger
Species	Pteropus tokudae	Tarsiger cyanurus

Evolutionary Relationship

Guam Flying Fox and Red-flanked Bluetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guam Flying Fox

EX — Extinct

Red-flanked Bluetail

EN — Endangered

Physical Characteristics

Attribute	Guam Flying Fox	Red-flanked Bluetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-flanked Bluetail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (8 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-flanked Bluetail

Red-flanked Bluetail (Tarsiger cyanurus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.