Eurasian red squirrel vs Red-flanked Bluetail

Sciurus vulgaris compared with Tarsiger cyanurus

Key Differences

• Eurasian red squirrel is Least Concern while Red-flanked Bluetail is Endangered.

Taxonomic Classification

Rank	Eurasian red squirrel	Red-flanked Bluetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Sciuridae (Squirrels)	Muscicapidae
Genus	Sciurus (Tree Squirrels)	Tarsiger
Species	Sciurus vulgaris	Tarsiger cyanurus

Evolutionary Relationship

Eurasian red squirrel and Red-flanked Bluetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian red squirrel

LC — Least Concern

Red-flanked Bluetail

EN — Endangered

Physical Characteristics

Attribute	Eurasian red squirrel	Red-flanked Bluetail
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).

Red-flanked Bluetail

Habitat

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

Range

Found across Europe (8 countries). Currently classified as Endangered 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.

Red-flanked Bluetail

Red-flanked Bluetail (Tarsiger cyanurus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden