Arctic Tern vs Bearded seal

Sterna paradisaea compared with Erignathus barbatus

Key Differences

• Arctic Tern is Least Concern while Bearded seal is Not Evaluated.

Taxonomic Classification

Rank	Arctic Tern	Bearded seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Pinnipedia (Seals & Sea Lions)
Family	Laridae	Phocidae (True Seals)
Genus	Sterna	Erignathus
Species	Sterna paradisaea	Erignathus barbatus

Evolutionary Relationship

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

Conservation Status

Arctic Tern

LC — Least Concern

Bearded seal

NE — Not Evaluated

Physical Characteristics

Attribute	Arctic Tern	Bearded seal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Tern

Habitat

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

Range

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

Bearded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.

Arctic Tern

Arctic Tern (Sterna paradisaea) 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.

Bearded seal

The Bearded seal (Erignathus barbatus) is a species in the genus Erignathus. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden