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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Waterways Bird Survey: 1984-85 population changes
Author: Marchant, J.H.
Published: 1986
01.01.86
Papers BTO News
Biological characteristics of invaders among bird species in Britain
Author: O'Connor, R.J.
Published: 1986
01.01.86
Papers
Breeding bird communities on downland at Pitstone Hill before and after scrub clearance
Author: Fuller, R.J.
Published: 1986
01.01.86
Papers
Population counts and observations at the Emperor Penguin Aptenodytes forsteri colony at Amanda Bay, Antarctica
Author: Cracknell, G.S.
Published: 1986
01.01.86
Papers