Common Eider vs Losea Rat

Somateria mollissima compared with Rattus losea

Key Differences

• Common Eider is Near Threatened while Losea Rat is Least Concern.

Taxonomic Classification

Rank	Common Eider	Losea Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Muridae (Mice & Rats)
Genus	Somateria	Rattus
Species	Somateria mollissima	Rattus losea

Evolutionary Relationship

Common Eider and Losea Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Losea Rat

LC — Least Concern

Physical Characteristics

Attribute	Common Eider	Losea Rat
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.

Losea Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.

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.