Northern elephant seal vs Northern Right Whale Dolphin

Mirounga angustirostris compared with Lissodelphis borealis

Taxonomic Classification

Rank	Northern elephant seal	Northern Right Whale Dolphin
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Pinnipedia (Seals & Sea Lions)	Cetacea (Whales & Dolphins)
Family	Phocidae (True Seals)	Delphinidae (Oceanic Dolphins)
Genus	Mirounga	Lissodelphis
Species	Mirounga angustirostris	Lissodelphis borealis

Evolutionary Relationship

Northern elephant seal and Northern Right Whale Dolphin share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Northern elephant seal

LC — Least Concern

Northern Right Whale Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Northern elephant seal	Northern Right Whale Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern elephant seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Northern Right Whale Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.