Reports

Reports

BTO publishes various reports, from those covering the annual results of core surveys, through scientific studies, and on to those produced in partnership with other organisations. Many of these are published as BTO Research Reports, which includes BBS reports, Waterbirds in the UK (WeBS) reports and SMP reports. You can access all of our reports from here, though note that we are currently updating the reports section, working backwards through time to bring all of the report pages into a consistent format. You can read our Annual Report and Accounts in the Governance section.

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Modelled changes to seabird presence and abundance across the MarPAMM region in response to predicted changes in climatic and ...

Author: Bennett, S., Rhoades, J., Boersch-Supan, P., Humphreys, E.M., Davies, J. & Upton, A.

Published: 2025

As part of the suite of work for the BTO Northern Ireland Science Plan 2023–2028 for DAERA/NIEA, BTO was asked to provide an analysis and associated report to investigate climate change related change ...

10.06.25

BTO Research Reports BTO Research Reports

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Waterbirds in the UK 2023/24

Author: Calbrade, N.A., Birtles, G.A., Woodward, I.D., Feather, A., Hiza, B.M., Caulfield, E.B., Balmer, D.E., Peck, K., Wotton, S.R., Shaw, J.M. & Frost, T.M.

Published: 2025

The report provides a single, comprehensive source of information on the current status and distribution of waterbirds in the UK for those interested in the conservation of the populations of these ...

22.05.25

Reports Waterbirds in the UK

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The Breeding Bird Survey 2024

Author: Heywood, J.J.N., Massimino, D., Baker, L., Balmer, D.E., Brighton, C.H., Gillings, S., Kelly, L., Noble, D.G., Pearce-Higgins, J.W., White, D.M., Woodcock, P., Workman, E. & Wotton, S.

Published: Spring 2025

These are the main schemes for monitoring the population changes of the UK’s widespread breeding birds, providing an important indicator of the health of the countryside. The results are published ...

15.05.25

Reports BBS Report

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