Arctic lemming vs Medium Tree-Finch

Dicrostonyx torquatus compared with Camarhynchus pauper

Key Differences

• Arctic lemming is Least Concern while Medium Tree-Finch is Critically Endangered.

Taxonomic Classification

Rank	Arctic lemming	Medium Tree-Finch
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Thraupidae
Genus	Dicrostonyx	Camarhynchus
Species	Dicrostonyx torquatus	Camarhynchus pauper

Evolutionary Relationship

Arctic lemming and Medium Tree-Finch share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Medium Tree-Finch

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic lemming	Medium Tree-Finch
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Medium Tree-Finch

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Ecuador and Norway. Currently classified as Critically Endangered 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.