European water vole vs Hector s Dolphin

Arvicola amphibius compared with Cephalorhynchus hectori

Key Differences

• European water vole is Near Threatened while Hector s Dolphin is Endangered.

Taxonomic Classification

Rank	European water vole	Hector s 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	Cephalorhynchus
Species	Arvicola amphibius	Cephalorhynchus hectori

Evolutionary Relationship

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

Conservation Status

European water vole

NT — Near Threatened

Hector s Dolphin

EN — Endangered

Physical Characteristics

Attribute	European water vole	Hector s 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.

Hector s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.