Abert's Squirrel vs Common Eider

Sciurus aberti compared with Somateria mollissima

Key Differences

• Abert's Squirrel is Least Concern while Common Eider is Near Threatened.

Taxonomic Classification

Rank	Abert's Squirrel	Common Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Sciuridae (Squirrels)	Anatidae
Genus	Sciurus (Tree Squirrels)	Somateria
Species	Sciurus aberti	Somateria mollissima

Evolutionary Relationship

Abert's Squirrel and Common Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Abert's Squirrel

LC — Least Concern

Common Eider

NT — Near Threatened

Physical Characteristics

Attribute	Abert's Squirrel	Common Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Abert's Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Abert's Squirrel

The Abert's Squirrel (Sciurus aberti) is a species in the genus Sciurus. It is currently classified as Least Concern on the IUCN Red List. It typically inhabits 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.