Common Eider vs Long-tailed dunnart

Somateria mollissima compared with Sminthopsis longicaudata

Key Differences

• Common Eider is Near Threatened while Long-tailed dunnart is Least Concern.

Taxonomic Classification

Rank	Common Eider	Long-tailed dunnart
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Dasyuromorphia (Dasyuromorphia)
Family	Anatidae	Dasyuridae
Genus	Somateria	Sminthopsis
Species	Somateria mollissima	Sminthopsis longicaudata

Evolutionary Relationship

Common Eider and Long-tailed dunnart share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Long-tailed dunnart

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Long-tailed dunnart
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.

Long-tailed dunnart

Habitat

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.