 Glaucous Gull . Larus hyperboreus
by SWBirder
|  Larus hyperboreus ad.
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|  Larus fuscus
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|  Great Black-backed Gull (Larus marinus) at Quintana Beach, UTC - November 8, 2008
by Mark B Bartosik
|  American Herring Gull - Larus smithsonianus
by bbirder
|