Arctic lemming vs barred rivulet

Dicrostonyx torquatus compared with Perizoma bifaciata

Key Differences

• Arctic lemming is Least Concern while barred rivulet is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	barred rivulet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Geometridae
Genus	Dicrostonyx	Perizoma
Species	Dicrostonyx torquatus	Perizoma bifaciata

Evolutionary Relationship

Arctic lemming and barred rivulet share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic lemming

LC — Least Concern

barred rivulet

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	barred rivulet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

barred rivulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.

barred rivulet

The Barred rivulet (Perizoma bifaciata) is a species in the genus Perizoma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.