Arctic lemming vs Lesser Noctule

Dicrostonyx torquatus compared with Nyctalus leisleri

Key Differences

• Arctic lemming is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Chiroptera (Bats)
Family	Cricetidae	Vespertilionidae
Genus	Dicrostonyx	Nyctalus
Species	Dicrostonyx torquatus	Nyctalus leisleri

Evolutionary Relationship

Arctic lemming and Lesser Noctule share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Arctic lemming

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered 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.