Big-eared Flying Fox vs Common Eider

Pteropus macrotis compared with Somateria mollissima

Key Differences

• Big-eared Flying Fox is Least Concern while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Big-eared 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 macrotis	Somateria mollissima

Evolutionary Relationship

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

Conservation Status

Big-eared Flying Fox

LC — Least Concern

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Big-eared Flying Fox	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared 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.

Big-eared Flying Fox

The Big-eared Flying Fox (Pteropus macrotis) 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.