Atlantic Yellow-legged Gull (atlantis)(last update: October 12, 2011) |
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Atlantic YLG (atlantis) sub-adult, October 13 2009, São Miguel - Azores Islands. Picture: Dominic Mitchell.Combination of adult-like plumage, bold white tips on primaries and bill pattern suggests 4cy. Last phase of complete moult: P8 fully grown. Photo: © Dominic Mitchell (www.birdingetc.com). |