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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Feeding ecology of skylarks Alauda arvensis in winter - a possible mechanism for population decline?
Author: Robinson, R.A.
Published: 2001
01.01.01
Papers
The value of set-aside for skylarks Alauda arvensis in Britain
Author: Vickery, J.A. & Buckingham, D.L.
Published: 2001
01.01.01
Papers
Habitat associations and trends in reproductive performance of skylark Alauda arvensis breeding in the uplands of the UK
Author: Chamberlain, D.E.
Published: 2001
01.01.01
Papers
Factors affecting the distribution of Skylarks Alauda arvensis wintering in Britain and Ireland during the early 1980s
Author: Gillings, S.
Published: 2001
01.01.01
Papers
Can the historical CBC trend for skylarks Alauda arvensis be 'recovered' using present-day agricultural habitat preferences and changes in agricultural land-use?
Author: Siriwardena, G.M., Wilson, J.D., Baillie, S.R. & Crick, H.Q.P.
Published: 2001
01.01.01
Papers