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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Reversal of normal moult sequence in the Spotted Flycatcher
Author: Williamson, K.
Published: 1972
01.01.72
Papers
The breeding birds of Rhum (Hebrides, Scotland), in relation to reafforestation. [Abstract]
Author: Williamson, K.
Published: 1972
01.01.72
Papers BBS Report
The conservation of bird-life in the new coniferous forests
Author: Williamson, K.
Published: 1972
01.01.72
Papers
Breeding birds of Arundle Oakwood Forest Nature Reserve
Author: Williamson, K.
Published: 1972
01.01.72
Papers Bird Study