Arctic lemming vs Amerika-aka-ei

Dicrostonyx torquatus compared with Hypanus americanus

Key Differences

• Arctic lemming is Least Concern while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Arctic lemming	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Rodentia (ネズミ目)	Myliobatiformes (トビエイ目)
Family	Cricetidae	Dasyatidae
Genus	Dicrostonyx	Hypanus
Species	Dicrostonyx torquatus	Hypanus americanus

Evolutionary Relationship

Arctic lemming and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Arctic lemming

LC — Least Concern

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Arctic lemming	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Amerika-aka-ei

Habitat

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

Range

Found in Venezuela. 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.