BTO create and publish a variety of important articles, papers, journals and other publications, independently and with our partners, for organisations, government and the private sector. Some of our publications (books, guides and atlases) are also available to buy in our online shop.
Annual report of the Seabird Monitoring Programme
Seabird Population Trends and Causes of Change: 1986–2023
This report presents the latest seabird population trends in breeding abundance and productivity using data from the Seabird Monitoring Programme (SMP).
The report documents changes in the abundance and productivity of breeding seabird species in Britain and Ireland from 1986 to 2023, and provides a detailed account of the 2021, 2022 and 2023 breeding seasons.

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The Breeding Bird Survey 2001
Author: Raven, M.J., Noble, D.G. & Baillie, S.R.
Published: 2002
01.01.02
Reports BBS Report

Reviewing the impact of agency permissions and activities on bird populations in SPAs Level 1 interpretation. + Appendices
Author: Armitage, M.J.S., Burton, N.H.K., Atkinson, P.W., Austin, G.E., Clark, N.A., Mellan, H.J. & Rehfisch, M.M.
Published: 2002
01.01.02
Reports
The effect of the Cardiff Bay Barrage on waterbird populations 13. Disturbance and movement studies August 2001 - May 2002
Author: Burton, N.H.K., Rehfisch, M.M. & Clark, N.A.
Published: 2002
01.01.02
Reports
Pilot work to assess bird occurrence and abundance on BBS squares within ESAs
Author: Noble, D. & Newson, S.
Published: 2002
01.01.02
Reports
The numbers and status of waterbirds using Cardiff Bay from 1999/2000 - 2001/2002
Author: Burton, N.H.K. & Clark, N.A.
Published: 2002
01.01.02
Reports