Eva s Red-backed Vole vs River Tern

Caryomys eva compared with Sterna aurantia

Key Differences

• Eva s Red-backed Vole is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Eva s Red-backed Vole	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Laridae
Genus	Caryomys	Sterna
Species	Caryomys eva	Sterna aurantia

Evolutionary Relationship

Eva s Red-backed Vole and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eva s Red-backed Vole

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Eva s Red-backed Vole	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eva s Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.