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larus glaucescens x larus hyperboreus
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"Seward Gull" - Glaucous-winged Gull X Glaucous Gull
The Glaucous-winged Gull is notorious for hybridizing with other gulls including Western, Herring, Glaucous and Slaty-backed Gulls producing a bewildering variety of intermediates to challenge birders. With its slim bicolored bill and white wing-tips, this individual looks superficially like an...- jmorlan
- Media item
- larus glaucescens larus glaucescens x larus hyperboreus larus hyperboreus
- Comments: 4
- Category: North America