Narrow-headed Vole vs Pacific Spiny-rat

Microtus gregalis compared with Proechimys decumanus

Key Differences

• Narrow-headed Vole is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Narrow-headed Vole	Pacific Spiny-rat
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order same	Rodentia (грызуны)	Rodentia (грызуны)
Family	Cricetidae	Echimyidae
Genus	Microtus	Proechimys
Species	Microtus gregalis	Proechimys decumanus

Evolutionary Relationship

Narrow-headed Vole and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (грызуны)

Conservation Status

Narrow-headed Vole

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Narrow-headed Vole	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.