Crabeater seal vs River Tern

Lobodon carcinophaga compared with Sterna aurantia

Key Differences

• Crabeater seal is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Crabeater seal	River Tern
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)	Laridae
Genus	Lobodon	Sterna
Species	Lobodon carcinophaga	Sterna aurantia

Evolutionary Relationship

Crabeater seal and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Crabeater seal

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Crabeater seal	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crabeater seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.