Lesser Black-backed Gull (graellsii & intermedius)(last update: May 17 2015) |
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lbbg 1cy May lbbg 2cy January lbbg 3cy Jan-April lbbg sub-ad Jan-April lbbg adult January |
LBBG 1cy: July 04 2004, Dintelhaven - Maasvlakte, the Netherlands. Ruud Altenburg & Mark van Leeuwen.
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