Arctic lemming vs 瑞氏海豚

Dicrostonyx torquatus compared with Grampus griseus

Taxonomic Classification

Rank	Arctic lemming	瑞氏海豚
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	Delphinidae (Oceanic Dolphins)
Genus	Dicrostonyx	Grampus
Species	Dicrostonyx torquatus	Grampus griseus

Evolutionary Relationship

Arctic lemming and 瑞氏海豚 share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Arctic lemming

LC — Least Concern

瑞氏海豚

LC — Least Concern

Physical Characteristics

Attribute	Arctic lemming	瑞氏海豚
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

瑞氏海豚

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, 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.

瑞氏海豚

The Calderon Gris (Grampus griseus) is a species in the genus Grampus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.