Black-eared Red-backed Vole vs Peruvian Tern

Eothenomys olitor compared with Sternula lorata

Key Differences

• Black-eared Red-backed Vole is Least Concern while Peruvian Tern is Endangered.

Taxonomic Classification

Rank	Black-eared Red-backed Vole	Peruvian 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	Eothenomys	Sternula
Species	Eothenomys olitor	Sternula lorata

Evolutionary Relationship

Black-eared Red-backed Vole and Peruvian Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

Peruvian Tern

EN — Endangered

Physical Characteristics

Attribute	Black-eared Red-backed Vole	Peruvian Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Peruvian Tern

Habitat

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

Range

Distributed across Ecuador and Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-eared Red-backed Vole

The Black-eared Red-backed Vole (Eothenomys olitor) is a species in the genus Eothenomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.