Arctic lemming vs Bay Porpoise

Dicrostonyx torquatus compared with Phocoena phocoena

Key Differences

• Arctic lemming is Least Concern while Bay Porpoise is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Bay Porpoise
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	Phocoenidae
Genus	Dicrostonyx	Phocoena
Species	Dicrostonyx torquatus	Phocoena phocoena

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Bay Porpoise

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Bay Porpoise
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bay Porpoise

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Bay Porpoise

The Bay Porpoise (Phocoena phocoena) is a species in the genus Phocoena. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.