Eurasian red squirrel vs Ferruginous Duck

Sciurus vulgaris compared with Aythya nyroca

Key Differences

• Eurasian red squirrel is Least Concern while Ferruginous Duck is Not Evaluated.

Taxonomic Classification

Rank	Eurasian red squirrel	Ferruginous Duck
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 nyroca

Evolutionary Relationship

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

Conservation Status

Eurasian red squirrel

LC — Least Concern

Ferruginous Duck

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian red squirrel	Ferruginous Duck
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).

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

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.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden