Arctic lemming vs Gray-footed Spiny-rat

Dicrostonyx torquatus compared with Proechimys poliopus

Key Differences

• Arctic lemming is Least Concern while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Gray-footed Spiny-rat
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	Cricetidae	Echimyidae
Genus	Dicrostonyx	Proechimys
Species	Dicrostonyx torquatus	Proechimys poliopus

Evolutionary Relationship

Arctic lemming and Gray-footed Spiny-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Arctic lemming

LC — Least Concern

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.