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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Land of birds. The Census of British birds - Part 2
Author: Williamson, K.
Published: 1969
01.01.69
Papers
Bird population changes on farmland for the years 1966-67
Author: Bailey, R.S. & Batten, L.A.
Published: 1968
01.01.68
Papers
The pelagic distribution of sea-birds in the western Indian Ocean
Author: Bailey, R.S.
Published: 1968
01.01.68
Papers
An index of bird population changes in woodland
Author: Bailey, R.S.
Published: 1968
01.01.68
Papers Bird Study
Winter food of Long-eared Owls in Kent
Author: Flegg, J.J.M. & Cox, C.J.
Published: 1968
01.01.68
Papers Bird Study