European water vole vs squirrel’s tail hydroid

Arvicola amphibius compared with Sertularia argentea

Key Differences

• European water vole is Near Threatened while squirrel’s tail hydroid is Not Evaluated.

Taxonomic Classification

Rank	European water vole	squirrel’s tail hydroid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Cnidaria (Cnidarians)
Class	Mammalia (Mammals)	Hydrozoa (Hydrozoa)
Order	Rodentia (Rodents)	Leptothecata (Leptothecata)
Family	Cricetidae	Sertulariidae
Genus	Arvicola	Sertularia
Species	Arvicola amphibius	Sertularia argentea

Evolutionary Relationship

European water vole and squirrel’s tail hydroid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

European water vole

NT — Near Threatened

squirrel’s tail hydroid

NE — Not Evaluated

Physical Characteristics

Attribute	European water vole	squirrel’s tail hydroid
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.

squirrel’s tail hydroid

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden