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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Eco-evolutionary drivers of avian migratory connectivity
Author: Fattorini, N., Costanzo, A., Romano, A., Rubolini, D., Baillie, S., Bairlein, F., Spina, F., & Ambrosini, R.
Published: 2023
01.05.23
Papers

Waterbirds in the UK 2021/22
Author: Austin, G.E., Calbrade, N.A., Birtles, G.A., Peck, K., Wotton, S.R., Shaw, J.M., Balmer, D.E. & Frost, T.M.
Published: Winter 2023
Waterbirds in the UK presents the results of the annual Wetland Bird Survey Report. It 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 species and the wetland sites they use.
27.04.23
Reports Waterbirds in the UK

Production of smoothed population trends when a key year of data is missing.
Author: Noble, D.G. & Gillings, S.
Published: 2023
This report explores the impact on the direction and statistical confidence in the individual species trends from which the wild bird indicator is composed when including missing years in the dataset, using simulated subsets of real data from previous years. This report was prompted by the impacts of Covid-19 lockdown restrictions on survey effort.
12.04.23
Reports Research reports

Monitoring five decades of change in the UK’s rarest breeding birds through citizen science: the Rare Breeding Birds Panel
Author: Eaton, M. Stroud, D. Francis, I, Norman, D, Baker, H., Holling, M. King, A., Stanbury, A. & Balmer, D.
Published: 2023
A review of the work of the Rare Breeding Birds Panel (RBBP) on the 50th anniversary of when it was founded in 1973.
07.04.23
Papers

The Rare Breeding Birds Panel: five decades of monitoring the UK’s rare breeding birds
Author: Stroud, D.A., Eaton, M.A., Francis, I.S, Baker, H., Holling, M., King, A., Norman, D., Stanbury, A.J. & Balmer, D.E.
Published: 2023
A look back on the work of the Rare Breeding Birds Panel over the five decades since it was founded in 1973.
07.04.23
Papers
