European water vole vs Hallowell’s Tree Frog

Arvicola amphibius compared with Hyla hallowellii

Key Differences

• European water vole is Near Threatened while Hallowell’s Tree Frog is Least Concern.

Taxonomic Classification

Rank	European water vole	Hallowell’s Tree Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Cricetidae	Hylidae
Genus	Arvicola	Hyla
Species	Arvicola amphibius	Hyla hallowellii

Evolutionary Relationship

European water vole and Hallowell’s Tree Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

European water vole

NT — Near Threatened

Hallowell’s Tree Frog

LC — Least Concern

Physical Characteristics

Attribute	European water vole	Hallowell’s Tree Frog
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.

Hallowell’s Tree Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.