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The Wetland Bird Survey (WeBS)
The Wetland Bird Survey (WeBS) is the scheme which monitors non-breeding waterbirds in the UK. The principal aims of WeBS are to identify population sizes, determine trends in numbers and distribution and to identify important sites for waterbirds.
All queries and correspondence concerning WeBS should be directed to: WeBS Office, BTO, The Nunnery, Thetford, Norfolk IP24 2PU Tel: 01842 750050 E-mail: All counters wishing to make use of WeBS Online, for inputting their counts, viewing past counts and checking the maps of their count sections, can now do so. Simply go to the new WeBS Home Page at www.bto.org/webs and follow the links from there to register. All counters should have received details on WeBS Online in the latest WeBS Newsletter. If you have not received a newsletter yet, then please contact us and we will make sure you get one. A new look to the WeBS website Over the next few months, the WeBS material on the web will be moved across to a new home at www.bto.org/webs, along with additional new information that we hope will be helpful and interesting to WeBS counters. Waterbirds in the UK 2004/05 is now available! The WeBS Annual report for 2004/05 has been published and has been sent to all WeBS counters.
WeBS Core Counts are made annually at around 2,000 wetland sites of all habitats; estuaries and large still waters predominate. Monthly co-ordinated counts are made, mostly by volunteers. The principal months of data collection are from September to March although, increasingly, observations are submitted from the summer months also. We are always on the look out for new WeBS volunteers and currently are particularly short of counters in Northern Ireland. Although wherever you live, if you would like more information about volunteering in WeBS please contact us here
WeBS Low Tide Counts are made on about 20 selected estuaries each winter (November to February) to determine the distribution of birds during low tide and to identify important feeding areas.
WeBS Alerts have been developed to provide notification of significant changes in waterbird populations levels at various spatial scales including the UK as a whole, its constituent countries and for designated sites (SPAs, SSSIs & ASSIs). The WeBS Alerts report has recently completed an internal review by the WeBS partnership and the methodology is currently undergoing scientific peer review. Note: please bear in mind the stage of the overall review process that this work has reached when making use of this report.
WeBS Research is carried out to try to answer some of the questions raised by the analysis of the huge amount of waterbird data gathered by the other schemes.
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© British Trust for Ornithology
BTO, The Nunnery, Thetford, Norfolk IP24 2PU
Tel: +44 (0)1842 750050 Fax: +44 (0)1842 750030 Email: info@bto.org
Registered Charity Number 216652. This page last updated:
22 May, 2007