Banded eagle ray vs Common Eider

Aetomylaeus nichofii compared with Somateria mollissima

Key Differences

• Banded eagle ray is Vulnerable while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Banded eagle ray	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Myliobatiformes (Myliobatiformes)	Anseriformes (Anseriformes)
Family	Myliobatidae	Anatidae
Genus	Aetomylaeus	Somateria
Species	Aetomylaeus nichofii	Somateria mollissima

Evolutionary Relationship

Banded eagle ray and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Banded eagle ray

VU — Vulnerable

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Banded eagle ray	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Banded eagle ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Banded eagle ray

The Banded eagle ray (Aetomylaeus nichofii) is a species in the genus Aetomylaeus. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.