Guam Flying Fox vs White-shouldered Ibis

Pteropus tokudae compared with Pseudibis davisoni

Key Differences

• Guam Flying Fox is Extinct while White-shouldered Ibis is Critically Endangered.

Taxonomic Classification

Rank	Guam Flying Fox	White-shouldered Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Pelecaniformes (Pelecaniformes)
Family	Pteropodidae (Fruit Bats)	Threskiornithidae
Genus	Pteropus (Flying Foxes)	Pseudibis
Species	Pteropus tokudae	Pseudibis davisoni

Evolutionary Relationship

Guam Flying Fox and White-shouldered Ibis share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guam Flying Fox

EX — Extinct

White-shouldered Ibis

CR — Critically Endangered

Physical Characteristics

Attribute	Guam Flying Fox	White-shouldered Ibis
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

White-shouldered Ibis

Habitat

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

Range

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