Pacific Spiny-rat vs tundra vole

Proechimys decumanus compared with Microtus oeconomus

Key Differences

• Pacific Spiny-rat is Near Threatened while tundra vole is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	tundra vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Echimyidae	Cricetidae
Genus	Proechimys	Microtus
Species	Proechimys decumanus	Microtus oeconomus

Evolutionary Relationship

Pacific Spiny-rat and tundra vole share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

tundra vole

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	tundra vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

tundra vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Russia.