Glaucous-winged Gull vs Ring-billed Gull

Larus glaucescens compared with Larus delawarensis

Key Differences

• Glaucous-winged Gull is Not Evaluated while Ring-billed Gull is Least Concern.

Taxonomic Classification

Rank	Glaucous-winged Gull	Ring-billed Gull
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Larus	Larus
Species	Larus glaucescens	Larus delawarensis

Evolutionary Relationship

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

Conservation Status

Glaucous-winged Gull

NE — Not Evaluated

Ring-billed Gull

LC — Least Concern

Physical Characteristics

Attribute	Glaucous-winged Gull	Ring-billed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Glaucous-winged Gull

Habitat

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

Range

Distributed across Denmark, Ecuador, and Norway.

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).

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:

🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway