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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The research methods of the British Trust for Ornithology
Author: Campbell, B. (Eds.: Bergman, G., Donner, K.O. & von Haartman, L.)
Published: 1960
01.01.60
Papers
The work of the British Bird Observatories. Proceedings of the XIIth International Ornithological Contress, Helsinki 1958
Author: Williamson, K.
Published: 1960
01.01.60
Papers
The Mute Swan census in England and Wales 1955-56
Author: Campbell, B.
Published: 1960
01.01.60
Papers Bird Study
The coastal roosting of gulls in England and Wales 1955-56
Author: Hickling, R.A.O.
Published: 1960
01.01.60
Papers Bird Study
The breeding distribution of thirty bird species in 1952
Author: Norris, C.A.
Published: 1960
01.01.60
Papers Bird Study