European water vole vs Pallas's squirrel, Red-bellied tree squirrel

Arvicola amphibius compared with Callosciurus erythraeus

Key Differences

• European water vole is Near Threatened while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	European water vole	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Rodentia (ネズミ目)	Rodentia (ネズミ目)
Family	Cricetidae	Sciuridae (Squirrels)
Genus	Arvicola	Callosciurus
Species	Arvicola amphibius	Callosciurus erythraeus

Evolutionary Relationship

European water vole and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Order level: Rodentia. (ネズミ目)

Conservation Status

European water vole

NT — Near Threatened

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	European water vole	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

European water vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Pallas's squirrel, Red-bellied tree squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and South America (Argentina).

Shared Countries

Both species can be found in 4 countries:

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