Forster's Tern vs River Tern

Sterna forsteri compared with Sterna aurantia

Key Differences

• Forster's Tern is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Forster's Tern	River Tern
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order same	Charadriiformes (도요목)	Charadriiformes (도요목)
Family same	Laridae	Laridae
Genus same	Sterna	Sterna
Species	Sterna forsteri	Sterna aurantia

Evolutionary Relationship

Forster's Tern and River Tern share a common ancestor at the Genus level: Sterna.

Conservation Status

Forster's Tern

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Forster's Tern	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Forster's Tern

Habitat

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

Range

Distributed across Belgium, Colombia, Norway, Sweden, and United States.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway