Arctic lemming vs Tree Martin

Dicrostonyx torquatus compared with Petrochelidon nigricans

Taxonomic Classification

Rank	Arctic lemming	Tree Martin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Hirundinidae
Genus	Dicrostonyx	Petrochelidon
Species	Dicrostonyx torquatus	Petrochelidon nigricans

Evolutionary Relationship

Arctic lemming and Tree Martin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Tree Martin

LC — Least Concern

Physical Characteristics

Attribute	Arctic lemming	Tree Martin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Tree Martin

Habitat

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

Range

Found in Norway.

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.