European water vole vs Guajira Mouse Opossum

Arvicola amphibius compared with Marmosa xerophila

Key Differences

• European water vole is Near Threatened while Guajira Mouse Opossum is Vulnerable.

Taxonomic Classification

Rank	European water vole	Guajira Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Cricetidae	Didelphidae
Genus	Arvicola	Marmosa
Species	Arvicola amphibius	Marmosa xerophila

Evolutionary Relationship

European water vole and Guajira Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

European water vole

NT — Near Threatened

Guajira Mouse Opossum

VU — Vulnerable

Physical Characteristics

Attribute	European water vole	Guajira Mouse Opossum
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.

Guajira Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.