The Glaucous-winged Gull is the dominant large gull of the Pacific Coast, found from Alaska to Baja California. The gray wingtips — not black as in most large gulls — are distinctive. It hybridizes extensively with the Western Gull in the Pacific Northwest, producing intermediate plumages. It is an opportunistic scavenger and predator of seabird colonies.
Best time to see a Glaucous-winged Gull
The best time to see a Glaucous-winged Gull is October–March, when about 61% of U.S. sightings happen, based on 16,746 research-grade iNaturalist observations.
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