Arctic lemming vs Azores Noctule

Dicrostonyx torquatus compared with Nyctalus azoreum

Key Differences

• Arctic lemming is Least Concern while Azores Noctule is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Azores 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 azoreum

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Azores Noctule

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Azores Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Portugal. 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.

Azores Noctule

The Azores Noctule (Nyctalus azoreum) is a species in the genus Nyctalus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.