Wildfowl countAn annual series of counts of wildfowl organised by the Wildfowl Trust and covering major waters right across Britain. Observers count their local wildfowl on pre-arranged days once per month between September and March, when huge numbers of these birds from north and north-east Europe are present in the British Isles.
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From Peter Weaver's Birdwatcher's Dictionary
Copyright © 1981 by Peter Weaver