Black-eared Red-backed Vole vs Arraia

Eothenomys olitor compared with Potamotrygon schroederi

Key Differences

• Black-eared Red-backed Vole is Least Concern while Arraia is Data Deficient.

Taxonomic Classification

Rank	Black-eared Red-backed Vole	Arraia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Rodentia (Roedores)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Potamotrygonidae
Genus	Eothenomys	Potamotrygon
Species	Eothenomys olitor	Potamotrygon schroederi

Evolutionary Relationship

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

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

Arraia

DD — Data Deficient

Physical Characteristics

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

Habitat & Geographic Range

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arraia

Habitat

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

Range

Distributed across Colombia and Venezuela.

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.