
Glaucous-winged Gull (Western Gull hybrid often included)
Kingdom Animalia, Phylum Chordata, Class Aves, Order Charadriiformes, Family Laridae, Genus Larus, Species Larus glaucescens
Family: Laridae (Gulls, Terns, and Skimmers)
- Shape
- Symmetrical vane with a rounded tip, moderately broad and tapering gently
- Size
- Approximately 5 to 7 inches long, consistent with a medium body or covert feather of a large gull species
- Rarity
- Very Common
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Description
The Glaucous-winged Gull is a large, bulky gull with pale grey wings and back, white head and underparts, and pinkish-great legs. It is well adapted to marine life and coastal human habitation.
Colour & Pattern
Pale silvery grey upper vane transitioning to a crisp white tip and base, characteristic of the mantle or scapular feathers of large white-headed gulls
Barb Structure
Pennaceous upper portion with tightly interlocked barbs and barbicels, transitioning to a slightly more plumulaceous base
Texture & Surface
Smooth, soft yet relatively firm vane with a matte finish and a clean, fresh appearance
Key Features
Pale silvery-grey coloration combined with a clean white tip, soft flexible texture, and slender white rachis typical of large Larus species
Habitat
Marine coastal environments, rocky shores, beaches, estuaries, and increasingly urban areas such as parking lots and landfills
Geographic Range
Pacific coast of North America, from Alaska down to northwestern Mexico, spending winters along marine coastlines
Ecological Role
Acts as an opportunistic scavenger and marine predator, helping to maintain coastal ecosystem balance
Similar Species
Western Gull and Herring Gull, which share similar body feather structures but often feature darker grey or brownish mantle tones
Interesting Facts
Glaucous-winged Gulls frequently hybridize with Western Gulls where their ranges overlap in the Pacific Northwest, creating offspring with variable mantle shades
Condition Notes
Good condition, relatively fresh with intact barbs and minimal fraying or wear