Arctic lemming vs Hammerhead

Dicrostonyx torquatus compared with Sphyrna corona

Key Differences

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

Taxonomic Classification

Rank	Arctic lemming	Hammerhead
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 corona

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Hammerhead

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Hammerhead

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.