Ring-billed Gull vs Slaty-backed Gull

Larus delawarensis compared with Larus schistisagus

Key Differences

• Ring-billed Gull is Least Concern while Slaty-backed Gull is Not Evaluated.

Taxonomic Classification

Rank	Ring-billed Gull	Slaty-backed Gull
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	Larus	Larus
Species	Larus delawarensis	Larus schistisagus

Evolutionary Relationship

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

Conservation Status

Ring-billed Gull

LC — Least Concern

Slaty-backed Gull

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

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).

Slaty-backed Gull

Habitat

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

Range

Distributed across Norway, Sweden, Taiwan, and United States.

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 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States