Black flying fox vs Common Eider

Pteropus alecto compared with Somateria mollissima

Key Differences

• Black flying fox is Least Concern while Common Eider is Near Threatened.

Taxonomic Classification

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

Evolutionary Relationship

Black flying fox and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black flying fox

LC — Least Concern

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Black flying fox	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black flying fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Black flying fox

The Black flying fox (Pteropus alecto) is a species in the genus Pteropus. It is currently classified as Least Concern on the IUCN Red List. 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.