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Black-headed Gull at ORG

Posted: Mon Apr 04, 2011 10:24 pm
by marsmuusse
Tim Audenaert (Belgium) & Maarten van Kleinwee (Holland) have completely refreshed and will now maintain the Black-headed Gull pages on ORG. Great work with many rings here:

http://www.ridibundus.gull-research.org/01cymay.html