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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Reduced breeding success in Great Black-backed Gulls Larus marinus due to harness-mounted GPS device
Author: Langlois Lopez, S., Clewley, G.D., Johnston, D.T., Daunt, F., Wildon, J.M., O'Hanlon, N.J. & Masden, E.
Published: 2023
Great Black-backed Gulls can be negatively affected by harness-mounted GPS devices. This research reveals a reduction in breeding success among tagged birds compared to control groups.
13.06.23
Papers

Sunning in Yellow Bishops Euplectes capensis
Author: Oschadleus, H.D. & Boersch-Supan, P.H.
Published: 2023
Two photographic records of a Yellow Bishop apparently sunning, at the West Coast National Park, South Africa, are described. There are very few records of sunning in weavers, and this is the first record for this species.
05.06.23
Papers

Ecological barriers mediate spatio-temporal shifts of bird communities at a continental scale
Author: Marjakangas, E.-L., Bosco, L., Versluijs, M., Xu, Y., Santangeli, A., Holopainen, S., Mäkeläinen, S., Herrando, S., Keller, V., Voříšek, P., Brotons, L., Johnston, A., Princé, K., Willis, S.G., Aghababyan, K., Ajder, V., Balmer, D.E., Bino, T., Boyla, K.A., Chodkiewicz, T., del Moral, J.C., Mazal, V.D., Ferrarini, A., Godinho, C., Gustin, M., Kalyakin, M., Knaus, P., Kuzmenko, T., Lindström, Å., Maxhuni, Q., Molina, B., Nagy, K., Radišić, D., Rajkov, S., Rajković, D.Z., Raudoniki, L., Sjeničić, J., Stoychev, S., Szép, T., Teufelbauer, N., Ursul, S., van Turnhout, C.M., Velevski, M., Vikstrøm, T., Wilk, T., Voltzit, O., Øien, I.J., Sudfeldt, C., Gerlach, B. & Lehikoinen, A.
Published: 2023
Ecological barriers, such as mountain ranges, might reduce the ability of species and communities to respond to climate change by shifting their distributions, something that is explored in this study.
30.05.23
Papers

Drivers of the changing abundance of European birds at two spatial scales
Author: Gregory, R.D., Eaton, M.A., Burfield, I.J., Grice, P.V., Howard, C., Klvaňová, A., Noble, D., Šilarová, E., Staneva, A., Stephens, P.A., Willis, S.G., Woodward, I.D. & Burns, F.
Published: 2023
Understanding how human activities drive biodiversity change at different spatial scales is a key question for conservation practitioners and decision-makers. While we have a good understanding of the primary causes of observed biodiversity declines – which include land-use change, climate change, pollution, and the over-exploitation of species – we still struggle to measure and detect biodiversity change in robust and meaningful ways.
29.05.23
Papers

The Breeding Bird Survey 2022
Author: Heywood, J.J.N., Massimino, D., Balmer, D.E., Kelly, L., Noble, D.G., Pearce-Higgins, J.W., Woodcock, P., Wotton, S., Gillings, S. & Harris, S.J.
Published: 2023
25.05.23
Reports BBS Report
