Arctic lemming vs Scoophead

Dicrostonyx torquatus compared with Sphyrna media

Key Differences

• Arctic lemming is Least Concern while Scoophead is Critically Endangered.

Taxonomic Classification

Rank	Arctic lemming	Scoophead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Cricetidae	Sphyrnidae (Hammerhead Sharks)
Genus	Dicrostonyx	Sphyrna (Hammerhead Sharks)
Species	Dicrostonyx torquatus	Sphyrna media

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Scoophead

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic lemming	Scoophead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Scoophead

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. 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.