Arctic lemming vs Common Crossbill

Dicrostonyx torquatus compared with Loxia curvirostra

Key Differences

• Arctic lemming is Least Concern while Common Crossbill is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Common Crossbill
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Fringillidae
Genus	Dicrostonyx	Loxia
Species	Dicrostonyx torquatus	Loxia curvirostra

Evolutionary Relationship

Arctic lemming and Common Crossbill share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Common Crossbill

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Common Crossbill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Crossbill

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and North America (United States). 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.

Common Crossbill

Common Crossbill (Loxia curvirostra) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.