Aleutian Tern vs Gray-backed Tern

Onychoprion aleuticus compared with Onychoprion lunatus

Key Differences

• Aleutian Tern is Vulnerable while Gray-backed Tern is Least Concern.

Taxonomic Classification

Rank	Aleutian Tern	Gray-backed Tern
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Aves (kuş)	Aves (kuş)
Order same	Charadriiformes (Yağmur kuşları)	Charadriiformes (Yağmur kuşları)
Family same	Laridae	Laridae
Genus same	Onychoprion	Onychoprion
Species	Onychoprion aleuticus	Onychoprion lunatus

Evolutionary Relationship

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

Conservation Status

Aleutian Tern

VU — Vulnerable

Gray-backed Tern

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Aleutian Tern

Habitat

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

Range

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

Gray-backed Tern

Habitat

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

Range

Found in Norway.

Aleutian Tern

The Aleutian Tern (Onychoprion aleuticus) is a species in the genus Onychoprion. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway