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Old Wednesday 6th July 2011, 20:05   #3
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Join Date: Dec 2006
Location: norfolk
Posts: 1,394
Not the best of years to undertake a survey on breeding grey wagtails. Following the last two severe winters many regular sites have lost their birds. Given a few milder winters they will doubtless return , but any population accessment based on this summers levels is likely to be a serious under estimate in a few years - weather allowing .
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