European water vole vs Hourglass Dolphin

Arvicola amphibius compared with Lagenorhynchus cruciger

Key Differences

• European water vole is Near Threatened while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	European water vole	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Arvicola	Lagenorhynchus
Species	Arvicola amphibius	Lagenorhynchus cruciger

Evolutionary Relationship

European water vole and Hourglass Dolphin share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

European water vole

NT — Near Threatened

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	European water vole	Hourglass Dolphin
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.

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.