Great Black-backed Gull vs Ring-billed Gull

Larus marinus compared with Larus delawarensis

Taxonomic Classification

Rank	Great Black-backed Gull	Ring-billed Gull
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Aves (طيور)	Aves (طيور)
Order same	Charadriiformes (إفجيجيات)	Charadriiformes (إفجيجيات)
Family same	Laridae	Laridae
Genus same	Larus	Larus
Species	Larus marinus	Larus delawarensis

Evolutionary Relationship

Great Black-backed Gull and Ring-billed Gull share a common ancestor at the Genus level: Larus.

Conservation Status

Great Black-backed Gull

LC — Least Concern

Ring-billed Gull

LC — Least Concern

Physical Characteristics

Attribute	Great Black-backed Gull	Ring-billed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Black-backed Gull

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).

Ring-billed Gull

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, Venezuela).

Great Black-backed Gull

Great Black-backed Gull (Larus marinus) 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.

Ring-billed Gull

Ring-billed Gull (Larus delawarensis) 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.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States