Arctic lemming vs Canadian beaver

Dicrostonyx torquatus compared with Castor canadensis

Key Differences

• Arctic lemming is Least Concern while Canadian beaver is Not Evaluated.

Taxonomic Classification

Rank	Arctic lemming	Canadian beaver
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Mammalia (memeliler)	Mammalia (memeliler)
Order same	Rodentia (kemiriciler)	Rodentia (kemiriciler)
Family	Cricetidae	Castoridae (Beavers)
Genus	Dicrostonyx	Castor (Beavers)
Species	Dicrostonyx torquatus	Castor canadensis

Evolutionary Relationship

Arctic lemming and Canadian beaver share a common ancestor at the Order level: Rodentia. (kemiriciler)

Conservation Status

Arctic lemming

LC — Least Concern

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

Attribute	Arctic lemming	Canadian beaver
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	1.0 m
Average Weight	—	25.0 kg

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Canadian beaver

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).

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.

Canadian beaver

The largest rodent in North America, Canadian beavers weigh up to 32 kg and are master ecosystem engineers inhabiting rivers, lakes, and wetlands across Canada and the northern United States. By felling trees and constructing dams up to hundreds of meters long, beavers create ponds that provide habitat for hundreds of species. Their lodges and canals transform entire watersheds. Once nearly hunted to extinction for their fur, beaver populations have recovered strongly.