Publications

Publications

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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Annual report of the Seabird Monitoring Programme

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A review of the Biological Defined Minimum Population Scale (BDMPS) approach and methodology to apportioning non-breeding season impacts on seabirds arising from offshore wind farms

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Published: 2025

Estimates of breeding seabird populations are used to assess the potential impacts of proposed wind farm developments. The approach used in these assessments is known as the Biologically Defined Minimum Population Scales (BDMPS) method, and it was developed by Furness in 2015. This report evaluates the methods developed by Furness, and highlights potential refinements to the current BDPMS approach, including methods, definitions, and data resources, to improve future ease of use and accuracy of estimates.

14.08.25

BTO Research Reports

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Impact of future climate change and land-use change on habitat suitability for a long-distance avian migrant under diverse socioeconomic-emission scenarios

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Published: 2025

During the current period of accelerating change in both climate and environmental conditions many birds species are having to adapt to new conditions. While sedentary species only have to adapt to changes in one location, migrants have to contend with multiple changes throughout the annual cycle.

05.08.25

Papers

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The use of monitoring data from north-west Europe as indicators for the health of Arctic-breeding waterbird populations

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Published: 2025

The Arctic is warming faster than anywhere on the planet. Substantial ecological changes are occurring such as habitat loss and disruption to ecosystems. It is therefore urgent to better understand Arctic biodiversity to develop effective conservation strategies, yet such vast remote areas are challenging places to monitor, both practically and financially. As a solution, this study uses monitoring data from Arctic-breeding waterbird species on their wintering grounds to indicate potential changes occurring further north in the Arctic.

30.07.25

Papers

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