Northern elephant seal vs Ruff

Mirounga angustirostris compared with Calidris pugnax

Taxonomic Classification

Rank	Northern elephant seal	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Pinnipedia (Seals & Sea Lions)	Charadriiformes (Charadriiformes)
Family	Phocidae (True Seals)	Scolopacidae
Genus	Mirounga	Calidris
Species	Mirounga angustirostris	Calidris pugnax

Evolutionary Relationship

Northern elephant seal and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Northern elephant seal

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Northern elephant seal	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern elephant seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Ruff

Ruff (Calidris pugnax) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.