Black-eared Red-backed Vole vs Ray's Knotgrass

Eothenomys olitor compared with Polygonum oxyspermum

Key Differences

• Black-eared Red-backed Vole is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Black-eared Red-backed Vole	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Cricetidae	Polygonaceae
Genus	Eothenomys	Polygonum
Species	Eothenomys olitor	Polygonum oxyspermum

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Black-eared Red-backed Vole	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. 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.