BirdNrd Posted March 20 Share Posted March 20 Seen yesterday in Oceano, San Luis Obispo County, CA Quote Link to comment Share on other sites More sharing options...
Sam Eberhard Posted March 20 Share Posted March 20 I do believe that is a Western x Glaucous-winged Gull. Darkish, but not faded black primaries and more uniform mantle than a pure western. Thickish, fully black bill rule out herring x glaucous-winged 7 Quote Link to comment Share on other sites More sharing options...
DLecy Posted March 21 Share Posted March 21 51 minutes ago, Sam Eberhard said: I do believe that is a Western x Glaucous-winged Gull. Darkish, but not faded black primaries and more uniform mantle than a pure western. Thickish, fully black bill rule out herring x glaucous-winged Bingo. Structurally this bird is pretty good for a GWGU, but the primaries are simply too dark. 3 Quote Link to comment Share on other sites More sharing options...
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