Pacific Spiny-rat vs Ungava collared lemming

Proechimys decumanus compared with Dicrostonyx hudsonius

Key Differences

• Pacific Spiny-rat is Near Threatened while Ungava collared lemming is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-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	Echimyidae	Cricetidae
Genus	Proechimys	Dicrostonyx
Species	Proechimys decumanus	Dicrostonyx hudsonius

Evolutionary Relationship

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

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Ungava collared lemming

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Ungava collared lemming
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.

Ungava collared lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.