Gray-backed Tern vs Sooty Tern

Onychoprion lunatus compared with Onychoprion fuscatus

Taxonomic Classification

Rank	Gray-backed Tern	Sooty 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	Onychoprion	Onychoprion
Species	Onychoprion lunatus	Onychoprion fuscatus

Evolutionary Relationship

Gray-backed Tern and Sooty Tern share a common ancestor at the Genus level: Onychoprion.

Conservation Status

Gray-backed Tern

LC — Least Concern

Sooty Tern

LC — Least Concern

Physical Characteristics

Attribute	Gray-backed Tern	Sooty Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-backed Tern

Habitat

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

Range

Found in Norway.

Sooty Tern

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Venezuela).

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway