Arctic lemming vs chestnut worm

Dicrostonyx torquatus compared with Lumbricus castaneus

Key Differences

• Arctic lemming is Least Concern while chestnut worm is Not Evaluated.

Taxonomic Classification

Rank	Arctic lemming	chestnut worm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Annelida (Segmented Worms)
Class	Mammalia (Mammals)	Clitellata (Clitellata)
Order	Rodentia (Rodents)	Crassiclitellata (Crassiclitellata)
Family	Cricetidae	Lumbricidae
Genus	Dicrostonyx	Lumbricus
Species	Dicrostonyx torquatus	Lumbricus castaneus

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

chestnut worm

NE — Not Evaluated

Physical Characteristics

Attribute	Arctic lemming	chestnut worm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

chestnut worm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

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.

chestnut worm

The chestnut worm (Lumbricus castaneus) is a species in the genus Lumbricus. Native to Europe and North America, inhabiting ecosystems characteristic of the region.