Arctic lemming vs Birdbeak dogfish

Dicrostonyx torquatus compared with Deania calcea

Key Differences

• Arctic lemming is Least Concern while Birdbeak dogfish is Near Threatened.

Taxonomic Classification

Rank	Arctic lemming	Birdbeak dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Squaliformes (Squaliformes)
Family	Cricetidae	Centrophoridae
Genus	Dicrostonyx	Deania
Species	Dicrostonyx torquatus	Deania calcea

Evolutionary Relationship

Arctic lemming and Birdbeak dogfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Birdbeak dogfish

NT — Near Threatened

Physical Characteristics

Attribute	Arctic lemming	Birdbeak dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Birdbeak dogfish

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile, Norway, and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Birdbeak dogfish

The Birdbeak dogfish (Deania calcea) is a species in the genus Deania. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.