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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Binoculars, telescopes and cameras for the birdwatcher. BTO Field Guide No. 14
Author: Flegg, J.J.M.
Published: 1972
01.01.72
Papers
Population dynamics of London's Blackbirds Turdus merula. [Abstract]
Author: Batten, L.A.
Published: 1972
01.01.72
Papers
Dispersal and subsequent movements of juvenile Larus ridibundus from colonies in Britain and Ireland. [Abstract]
Author: Flegg, J.J.M. & Cox, C.J.
Published: 1972
01.01.72
Papers
Extent and possible causes of a marked reduction in population of the Common Whitethroat Sylvia communis in Great Britain in 1969. [Abstract]
Author: Glue, D.E.
Published: 1972
01.01.72
Papers