Polynesian rat vs Ungava collared lemming

Rattus exulans compared with Dicrostonyx hudsonius

Taxonomic Classification

Rank	Polynesian rat	Ungava collared lemming
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	Muridae (Mice & Rats)	Cricetidae
Genus	Rattus	Dicrostonyx
Species	Rattus exulans	Dicrostonyx hudsonius

Evolutionary Relationship

Polynesian rat and Ungava collared lemming share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Polynesian rat

LC — Least Concern

Ungava collared lemming

LC — Least Concern

Physical Characteristics

Attribute	Polynesian rat	Ungava collared lemming
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Ungava collared lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.