Arctic lemming vs greater mouse-eared bat

Dicrostonyx torquatus compared with Myotis myotis

Key Differences

• Arctic lemming is Least Concern while greater mouse-eared bat is Critically Endangered.

Taxonomic Classification

Rank	Arctic lemming	greater mouse-eared bat
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	Myotis
Species	Dicrostonyx torquatus	Myotis myotis

Evolutionary Relationship

Arctic lemming and greater mouse-eared bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Arctic lemming

LC — Least Concern

greater mouse-eared bat

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic lemming	greater mouse-eared bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

greater mouse-eared bat

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically 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.