Bat ray vs Common Eider

Aetomylaeus maculatus compared with Somateria mollissima

Key Differences

• Bat ray is Endangered while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Bat ray	Common Eider
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Elasmobranchii	Aves (kuş)
Order	Myliobatiformes (Myliobatiformes)	Anseriformes (Kazsılar)
Family	Myliobatidae	Anatidae
Genus	Aetomylaeus	Somateria
Species	Aetomylaeus maculatus	Somateria mollissima

Evolutionary Relationship

Bat ray and Common Eider share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

Bat ray

EN — Endangered

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Bat ray	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bat ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered 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.

Bat ray

The Bat ray (Aetomylaeus maculatus) is a species in the genus Aetomylaeus. It is currently classified as Endangered 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.