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	BTO Research Report 492
Wetland Bird Survey Alerts 2004/2005 (Release 2): Changes in numbers of wintering waterbirds in the Constituent Countries of the United Kingdom, Special Protection Areas (SPAs) and Sites of Special Scientific Interest (SSSIs)
Authors Ilya M.D. Maclean & Graham E. Austin
Report of work carried out by The British Trust for Ornithology under contract to the WeBS Partnership Report supersedes Report 458 and updated to correct errata and include additional site information. Alerts remain unchanged from previous report. The Wetland Bird Survey is funded by a partnership of the British Trust for Ornithology, the Wildfowl & Wetlands Trust, the Royal Society for the Protection of Birds and the Joint Nature Conservation Committee (the last on behalf of Natural England, Scottish Natural Heritage and the Countryside Council for Wales, and the Environment and Heritage Service in Northern Ireland). We acknowledge the vast effort put into the scheme by all of the volunteer organisers and counters involved. Web site Ilya Maclean February 2008 ©British Trust for Ornithology British Trust for Ornithology, The Nunnery, Thetford, Norfolk IP24 2PU Registered Charity No. 216652

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