Common Eider vs Delta Bonneted Bat

Somateria mollissima compared with Eumops delticus

Key Differences

• Common Eider is Near Threatened while Delta Bonneted Bat is Data Deficient.

Taxonomic Classification

Rank	Common Eider	Delta Bonneted Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Chiroptera (Bats)
Family	Anatidae	Molossidae
Genus	Somateria	Eumops
Species	Somateria mollissima	Eumops delticus

Evolutionary Relationship

Common Eider and Delta Bonneted Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Delta Bonneted Bat

DD — Data Deficient

Physical Characteristics

Attribute	Common Eider	Delta Bonneted Bat
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.

Delta Bonneted Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.