Arizona Cotton Rat vs European water vole

Sigmodon arizonae compared with Arvicola amphibius

Key Differences

• Arizona Cotton Rat is Least Concern while European water vole is Near Threatened.

Taxonomic Classification

Rank	Arizona Cotton Rat	European water vole
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 same	Cricetidae	Cricetidae
Genus	Sigmodon	Arvicola
Species	Sigmodon arizonae	Arvicola amphibius

Evolutionary Relationship

Arizona Cotton Rat and European water vole share a common ancestor at the Family level: Cricetidae.

Conservation Status

Arizona Cotton Rat

LC — Least Concern

European water vole

NT — Near Threatened

Physical Characteristics

Attribute	Arizona Cotton Rat	European water vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Arizona Cotton Rat

The Arizona Cotton Rat, Sigmodon arizonae, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.