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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Collins BTO Guide to Rare British Birds
Author: Paul Stancliffe & Paul Sterry
Published: 2015
In a unique new collaboration, Collins have paired up with the BTO, bringing together the most authoritative and up-to-date information in this new field guide to the rare birds of Britain and Ireland.This book is the companion volume to the Collins BTO Guide to British Birds. It covers all the rare and scarce birds that have occurred in Britain and Ireland five times or more, as of February 2015. ‘The Rarest of the Rare’ section lists all the species that have occurred fewer than five times; taken in combination, this means that every species of wild bird that has ever occurred in Britain is mentioned.
24.09.15
Books and guides
Changes in breeding wader populations of the Uist machair between 1983 and 2014
Author: Calladine, J., Humphreys, E.M. & Boyle, J.
Published: 2015
23.09.15
Papers
Is supplementary feeding in gardens a driver of evolutionary change in a migratory bird species?
Author: Plummer, K.E., Siriwardena, G.M., Conway, G.J., Risely, K. & Toms, M.P.
Published: 2015
New research using data from Garden BirdWatch has revealed that bird food provided in British gardens has helped Blackcaps to rapidly evolve a successful new migration route. This is the first time that garden bird feeding has been shown to affect large-scale bird distributions. The research uses data from volunteer Garden BirdWatchers.
23.09.15
Papers

Quantifying turnover in British breeding bird communities
Author: Harrison, P.J., Yuan, Y., Buckland, S.T., Oedekoven, C.S., Elston, D.A., Brewer, M.J., Johnston, A. & Pearce-Higgins, J.W.
Published: 2015
23.09.15
Papers