Arctic lemming vs White-winged Tern

Dicrostonyx torquatus compared with Chlidonias leucopterus

Key Differences

• Arctic lemming is Least Concern while White-winged Tern is Not Evaluated.

Taxonomic Classification

Rank	Arctic lemming	White-winged Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Laridae
Genus	Dicrostonyx	Chlidonias
Species	Dicrostonyx torquatus	Chlidonias leucopterus

Evolutionary Relationship

Arctic lemming and White-winged Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

White-winged Tern

NE — Not Evaluated

Physical Characteristics

Attribute	Arctic lemming	White-winged Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

White-winged Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

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.

White-winged Tern

White-winged Tern (Chlidonias leucopterus) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.