Arctic lemming vs Spinner Dolphin

Dicrostonyx torquatus compared with Stenella longirostris

Key Differences

• Arctic lemming is Least Concern while Spinner Dolphin is Data Deficient.

Taxonomic Classification

Rank	Arctic lemming	Spinner Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Delphinidae (Oceanic Dolphins)
Genus	Dicrostonyx	Stenella
Species	Dicrostonyx torquatus	Stenella longirostris

Evolutionary Relationship

Arctic lemming and Spinner Dolphin share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Arctic lemming

LC — Least Concern

Spinner Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Arctic lemming	Spinner Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spinner Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.

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.