Eurasian red squirrel vs Upper Crust

Sciurus vulgaris compared with Amaurodon cyaneus

Key Differences

• Eurasian red squirrel is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Eurasian red squirrel	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Thelephorales (Thelephorales)
Family	Sciuridae (Squirrels)	Thelephoraceae
Genus	Sciurus (Tree Squirrels)	Amaurodon
Species	Sciurus vulgaris	Amaurodon cyaneus

Conservation Status

Eurasian red squirrel

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Eurasian red squirrel	Upper Crust
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).

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden