Arctic lemming vs Black-Necked Grebe

Dicrostonyx torquatus compared with Podiceps nigricollis

Key Differences

• Arctic lemming is Least Concern while Black-Necked Grebe is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Black-Necked Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Podicipediformes (Podicipediformes)
Family	Cricetidae	Podicipedidae
Genus	Dicrostonyx	Podiceps
Species	Dicrostonyx torquatus	Podiceps nigricollis

Evolutionary Relationship

Arctic lemming and Black-Necked Grebe share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Black-Necked Grebe

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Black-Necked Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-Necked Grebe

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as 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.

Black-Necked Grebe

Black-Necked Grebe (Podiceps nigricollis) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.