Date: 9/23/17 9:36 pm
From: <lorilee415...> [SFBirds] <SFBirds-noreply...>
Subject: [SFBirds] Seeking Help with Probable Gull Hybrid
At Crissy Field Lagoon Sat, Sept 23, 2017 about 5:30 pm. Dark-backed gull (similar in color to a neighboring western), a little smaller than a western, black tip to heavy yellow bill, pink legs, and when it flew its white tail had bits of black steaking in its middle. It also seemed to have a couple of black tertial feathers. It seemed to be a mature bird. Is this something other than "western hybrid"?


Pictures at: http://ebird.org/ebird/view/checklist/S39357629 http://ebird.org/ebird/view/checklist/S39357629



Much Thanks,
Lori Lee
SF, CA
 
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