Common Eider vs Pygmy three-toed sloth

Somateria mollissima compared with Bradypus pygmaeus

Key Differences

• Common Eider is Near Threatened while Pygmy three-toed sloth is Critically Endangered.

Taxonomic Classification

Rank	Common Eider	Pygmy three-toed sloth
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Pilosa (Sloths & Anteaters)
Family	Anatidae	Bradypodidae (Three-toed Sloths)
Genus	Somateria	Bradypus (Three-toed Sloths)
Species	Somateria mollissima	Bradypus pygmaeus

Evolutionary Relationship

Common Eider and Pygmy three-toed sloth share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Eider

NT — Near Threatened

Pygmy three-toed sloth

CR — Critically Endangered

Physical Characteristics

Attribute	Common Eider	Pygmy three-toed sloth
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.

Pygmy three-toed sloth

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.