Black-eared Red-backed Vole vs Butterfly ray

Eothenomys olitor compared with Gymnura altavela

Key Differences

• Black-eared Red-backed Vole is Least Concern while Butterfly ray is Endangered.

Taxonomic Classification

Rank	Black-eared Red-backed Vole	Butterfly ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Gymnuridae
Genus	Eothenomys	Gymnura
Species	Eothenomys olitor	Gymnura altavela

Evolutionary Relationship

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

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

Butterfly ray

EN — Endangered

Physical Characteristics

Attribute	Black-eared Red-backed Vole	Butterfly ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Butterfly ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. 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.

Butterfly ray

The Butterfly ray (Gymnura altavela) is a species in the genus Gymnura. It is currently classified as Endangered on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.