
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, oval outline, lacking emargination
- Size
- Approximately 4 to 5 inches long, typical of a medium-to-large body or flank contour feather for a large gulls species
- Rarity
- Very Common
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Description
This specimen is a soft contour feather from a large coastal gull, likely the Glaucous-winged Gull found commonly along the Washington coast. Gulls are robust seabirds with strong bills, webbed feet, and exceptional soaring abilities. They are opportunistic foragers, highly adaptable to both natural marine environments and human-altered landscapes
Colour & Pattern
Dull brownish-gray distally grading into a lighter grayish-white shaft and white fluffy base; uniform drab coloration characteristic of immature or non-breeding adult plumage phases
Barb Structure
Pennaceous at the rounded tip transitioning into long, loose, fluffy plumulaceous barbs toward the base; barbs are intact but slightly disheveled at the base with no afterfeather
Texture & Surface
Smooth and matte at the distal tip with a soft, silky, down-like texture at the proximal base; lacks oiliness or gloss
Key Features
Rounded greyish-brown tip with a distinct transition into long, white, plumulaceous basal barbs, lacking strong contrast patterns or barring
Habitat
Ocean shores, marine coasts, estuaries, rocky intertidal zones, harbors, and urban coastal areas
Geographic Range
Pacific Northwest coast of North America, stretching from Alaska down to northwestern Mexico, spending nearly its entire life cycle in marine and coastal environments
Ecological Role
Acts as an opportunistic scavenger and coastal apex predator, helping to recycle marine nutrients and clean up organic debris along shorelines
Similar Species
Other large Pacific coast gulls such as the Western Gull (Larus occidentalis) and its frequent hybrids, which share similar gray-brown tones in immature plumages
Interesting Facts
Gulls possess supraorbital salt glands above their eyes that allow them to drink saltwater and expel excess salt through specialized nasal secretions
Condition Notes
Good condition; minor fraying of the lower plumulaceous barbs, but the rachis and upper vane remain fully intact with no major structural damage
Notes
Ocean shores wa