Arctic lemming vs Perrin’s Beaked Whale

Dicrostonyx torquatus compared with Mesoplodon perrini

Key Differences

• Arctic lemming is Least Concern while Perrin’s Beaked Whale is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Perrin’s Beaked Whale
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Hyperoodontidae
Genus	Dicrostonyx	Mesoplodon
Species	Dicrostonyx torquatus	Mesoplodon perrini

Evolutionary Relationship

Arctic lemming and Perrin’s Beaked Whale share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Arctic lemming

LC — Least Concern

Perrin’s Beaked Whale

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Perrin’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Perrin’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.