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 population of British heaths and moorland
Author: Lack, D.
Published: 1935
01.01.35
Papers
The winter Starling roosts of Great Britain, 1932-1933
Author: Marples, B.J.
Published: 1934
01.01.34
Papers
My collection and the British Trust for Ornithology
Author: Witherby, H.F.
Published: 1933
01.01.33
Papers
The Great Crested Grebe Enquiry 1931 - Part 1
Author: Harrisson, T. & Hollom, P.A.D.
Published: 1932
01.01.32
Papers