River Tern vs Roseate Tern

Sterna aurantia compared with Sterna dougallii

Key Differences

• River Tern is Vulnerable while Roseate Tern is Least Concern.

Taxonomic Classification

Rank	River Tern	Roseate Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Sterna	Sterna
Species	Sterna aurantia	Sterna dougallii

Evolutionary Relationship

River Tern and Roseate Tern share a common ancestor at the Genus level: Sterna.

Conservation Status

River Tern

VU — Vulnerable

Roseate Tern

LC — Least Concern

Physical Characteristics

Attribute	River Tern	Roseate Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Roseate Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Venezuela).

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway