Arctic lemming vs Noctule

Dicrostonyx torquatus compared with Nyctalus noctula

Key Differences

• Arctic lemming is Least Concern while Noctule is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Noctule
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Rodentia (ネズミ目)	Chiroptera (翼手目)
Family	Cricetidae	Vespertilionidae
Genus	Dicrostonyx	Nyctalus
Species	Dicrostonyx torquatus	Nyctalus noctula

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Noctule

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). 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.

Noctule

Noctule(Nyctalus noctula、オオコウモリ)は、IUCNレッドリストで危急(VU)に分類されている。野生での絶滅危機が高く、個体群が減少し生息地への圧力が増大している。