Ecuadorian Cotton Rat vs Northern Red-backed Vole

Sigmodon inopinatus compared with Myodes rutilus

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Northern Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Northern Red-backed Vole
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family same	Cricetidae	Cricetidae
Genus	Sigmodon	Myodes
Species	Sigmodon inopinatus	Myodes rutilus

Evolutionary Relationship

Ecuadorian Cotton Rat and Northern Red-backed Vole share a common ancestor at the Family level: Cricetidae.

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Northern Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Northern Red-backed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Northern Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway, Russia, and Sweden.