GBB Gull Photo Index
Great Black-backed Gull Larus marinus
First-summer, Warwickshire, July 2009
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Great Black-backed Gull Larus marinusFirst-summer, Warwickshire, July 2009 |
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© A. R. Dean
Second calendar year Great Black-back commencing complete moult from first-winter to second-winter plumage. Note new more-rounded inner primaries with white crescents at tips.
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