Eurasian red squirrel vs Redhead

Sciurus vulgaris compared with Aythya americana

Key Differences

• Eurasian red squirrel is Least Concern while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Eurasian red squirrel	Redhead
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)	Aythya
Species	Sciurus vulgaris	Aythya americana

Evolutionary Relationship

Eurasian red squirrel and Redhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian red squirrel

LC — Least Concern

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian red squirrel	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Georgia) and Europe (5 countries).

Redhead

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 countries) and North America (United States).

Eurasian red squirrel

Eurasian red squirrel (Sciurus vulgaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden