Common Eider vs Guam Flying Fox

Somateria mollissima compared with Pteropus tokudae

Key Differences

• Common Eider is Near Threatened while Guam Flying Fox is Extinct.

Taxonomic Classification

Rank	Common Eider	Guam Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Chiroptera (Bats)
Family	Anatidae	Pteropodidae (Fruit Bats)
Genus	Somateria	Pteropus (Flying Foxes)
Species	Somateria mollissima	Pteropus tokudae

Evolutionary Relationship

Common Eider and Guam Flying Fox share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Guam Flying Fox

EX — Extinct

Physical Characteristics

Attribute	Common Eider	Guam Flying Fox
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Eider

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Eider

Common Eider (Somateria mollissima) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.