Arctic lemming vs Dark-rumped Swift

Dicrostonyx torquatus compared with Apus acuticauda

Key Differences

• Arctic lemming is Least Concern while Dark-rumped Swift is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Dark-rumped Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Apodiformes (Apodiformes)
Family	Cricetidae	Apodidae
Genus	Dicrostonyx	Apus
Species	Dicrostonyx torquatus	Apus acuticauda

Evolutionary Relationship

Arctic lemming and Dark-rumped Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Dark-rumped Swift

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Dark-rumped Swift
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dark-rumped Swift

Habitat

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

Range

Found in Norway. 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.