European water vole vs Greedy Olalla Rat

Arvicola amphibius compared with Olallamys edax

Key Differences

• European water vole is Near Threatened while Greedy Olalla Rat is Data Deficient.

Taxonomic Classification

Rank	European water vole	Greedy Olalla Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Roedores)	Rodentia (Roedores)
Family	Cricetidae	Echimyidae
Genus	Arvicola	Olallamys
Species	Arvicola amphibius	Olallamys edax

Evolutionary Relationship

European water vole and Greedy Olalla Rat share a common ancestor at the Order level: Rodentia. (Roedores)

Conservation Status

European water vole

NT — Near Threatened

Greedy Olalla Rat

DD — Data Deficient

Physical Characteristics

Attribute	European water vole	Greedy Olalla Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

European water vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Greedy Olalla Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.