Guam Flying Fox vs Western Gray Squirrel

Pteropus tokudae compared with Sciurus griseus

Key Differences

• Guam Flying Fox is Extinct while Western Gray Squirrel is Least Concern.

Taxonomic Classification

Rank	Guam Flying Fox	Western Gray Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Rodentia (Rodents)
Family	Pteropodidae (Fruit Bats)	Sciuridae (Squirrels)
Genus	Pteropus (Flying Foxes)	Sciurus (Tree Squirrels)
Species	Pteropus tokudae	Sciurus griseus

Evolutionary Relationship

Guam Flying Fox and Western Gray Squirrel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Guam Flying Fox

EX — Extinct

Western Gray Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Guam Flying Fox	Western Gray Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Western Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.