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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Temporal changes to migratory fuel load in migratory birds across Europe
Author: Border, J.A., Robinson, R.A., Pearce-Higgins , J.W., Hewson, C.M., Howard, C., Stephens, P.A., Willis, S.G., von Rönn, J.A.C., Henry, P.-Y., Lorrilliere, R., Serra, L., Imperio, S., Gargallo, G., Baltà, O., Karcza, Z., Vangeluwe, D., Valkama, J., Perez, C., Bensusan, K., Fransson, T., Herrmann, C., Bairlein, F., Fiedler, W., Horton, J. & Baillie, S.R.
Published: 2025
Data from bird ringing show changes in the timing of birds feeding up before their autumn migration across Europe over the past 40 years, and a decrease in the extent of fattening recorded. This ...
10.11.25
Papers
Understanding statistical power in passive acoustic monitoring of bats: evaluating survey and sampling protocols in the Bailiwick ...
Author: Newson, S.E., Boersch-Supan, P. & Atkinson, P.W.
Published: 2025
This BTO Research Report explores the ability of data collected through the Bailiwick Bat Survey to produce robust long-term monitoring trends for a suite of species.
10.11.25
BTO Research Reports BTO Research Reports
Bird monitoring at a local scale: A guide for local project coordinators and volunteer birdwatchers
Author: Heywood, J.J.N., Balmer, D.E., Siriwardena, G.M. & Gillings, S.
Published: 2025
BTO has a long history of supporting long-running national monitoring schemes such as the Breeding Bird Survey, Wetland Bird Survey, Seabird Monitoring Programme and Nest Record Scheme. As well as ...
06.11.25
Books and guides Conservation Advice Notes
Annual Report & Accounts 2024/25
Author: BTO
Published: 2025
Thanks to our members, funders and supporters, £7.3 million was spent during the year carrying out, supporting and communicating our ornithological research and delivering engagement.Through our Bird ...
30.10.25
Reports Annual Report
Genomic architecture of egg mimicry and its consequences for speciation in parasitic cuckoos
Author: Merondun, J., Fossøy, F., Meshcheryagina, S., Atkinson, P., Bachurin, G., Bulyuk, V., Fenchuk, V., Golovatin, M., Hewson, C., Honza, M., Markovets. M., Moskát, C., Owens, G.L., Procházka, P., Red’kin, Y., Rutila, J., Šulc, M., Thorup, K., Stokke, B.G., Liang, W. & Wolf, J.B.W.
Published: 2025
Cuckoos are brood parasites, meaning they lay their eggs in other species' nests, and the resulting chicks are raised by the host species. Cuckoos therefore face strong evolutionary pressure for their ...
30.10.25
Papers
Waterbird News - Issue 41
Author:
Published: Winter 2025
15.10.25
Newsletters Waterbird News
Evaluating aerial LiDAR and other approaches to avian flight height measurement – ReSCUE Project Validation Study Report
Author: Rhoades, J., Feather, A., Harwood, A., Banks, A. & Boersch-Supan, P.H.
Published: 2025
This report investigates the accuracy and reliability of seabird flight height data that are used to mitigate impacts of offshore wind farms on seabird populations. Through a set of trials, we set out ...
14.10.25
BTO Research Reports BTO Research Reports
