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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Bird Trends 2015: trends in numbers, breeding success and survival for UK breeding birds
Author: Robinson, R.A., Marchant, J.H., Leech, D.I., Massimino, D., Sullivan, M.J.P., Eglington, S.M., Barimore, C., Dadam, D., Downie, I.S., Hammond, M.J., Harris, S.J., Noble, D.G., Walker, R.H. & Baillie, S.R.
Published: 2015
01.01.15
Reports
Comparison of trends in butterfly populations between monitoring schemes
Author: Roy, H.D.B., Ploquin, E.F., Randle, Z., Risely, K., Botham, M.S., Middlebrook, I., Noble, D., Cruickshanks, K. Freeman, S.N. & Brereton, T.M.
Published: 2014
10.12.14
Papers
The avoidance rates of collision between birds and offshore turbines
Author: Cook, A.S.C.P., Humphreys, E.M., Masden, E.A., Band, W. & Burton, N.H.K.
Published: 2014
Report of work carried out by the British Trust for Ornithology in collaboration with the Environmental Research Institute on behalf of the Marine Scotland Science.Accurately estimating birds’ risk of collision with offshore wind turbines is a key part of the decision-making process for proposed renewable developments. However, the evidence base for quantifying the number of birds likely to avoid colliding with turbines is limited. Recent BTO-led work helping to fill this gap, improving the understanding of the impacts of offshore renewables on marine wildlife.
03.12.14
Research reports Research reports

Latitudinal gradients in the productivity of European migrant warblers have not shifted northwards during a period of climate change
Author: Eglington, S. M., Julliard, R., Gargallo, G., van der Jeugd, H. P., Pearce-Higgins, J. W., Baillie, S. R. and Robinson, R. A.
Published: 2014
A long-term monitoring study involving bird ringers from five countries has investigated how changes in the reproductive output of seven species of migrant warbler vary with latitude and spring temperature. The implications for predicted changes in species distribution are also discussed.
02.12.14
Papers
