Arctic lemming vs Hereford case-bearer

Dicrostonyx torquatus compared with Coleophora sylvaticella

Key Differences

• Arctic lemming is Least Concern while Hereford case-bearer is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Hereford case-bearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Coleophoridae
Genus	Dicrostonyx	Coleophora
Species	Dicrostonyx torquatus	Coleophora sylvaticella

Evolutionary Relationship

Arctic lemming and Hereford case-bearer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic lemming

LC — Least Concern

Hereford case-bearer

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Hereford case-bearer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Hereford case-bearer

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.