European water vole vs Irrawaddy dolphin

Arvicola amphibius compared with Orcaella brevirostris

Key Differences

• European water vole is Near Threatened while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	European water vole	Irrawaddy dolphin
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Arvicola	Orcaella
Species	Arvicola amphibius	Orcaella brevirostris

Evolutionary Relationship

European water vole and Irrawaddy dolphin share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

European water vole

NT — Near Threatened

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	European water vole	Irrawaddy 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.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.