BTO publishes various reports, from those covering the annual results of core surveys, through scientific studies, and on to those produced in partnership with other organisations. Many of these are published as BTO Research Reports. You can access all of our reports from here, though note that we are currently updating the reports section, working backwards through time to bring all of the report pages into a consistent format. You can read our Annual Report and Accounts in the Governance section.
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Waterfowl migration and distribution in NW estuaries. Volume 1: Text and Tables. Volume 2: Figures
01.01.90
Reports
Population Trends in British Barn Owls, Tyto alba, and Tawny Owls, Strix aluco, in relation to environmental change
01.01.90
Reports
The conservation of migratory birds in the Western Palearctic-African flyway. Review on the importance of losses incurred to migratory birds during migration.
01.01.90
Reports
The effects of organic inputs to estuaries on overwintering bird populations and communities
01.01.90
Reports
The impact of noise and artificial light on waterfowl behaviour: A review and synthesis of available literature
01.01.90
Reports
The impact of the Mersey oil spill of August 1989 on the populations and distributions of waterfowl
01.01.90
Reports
Condition and age structure of bird populations on the Mersey
01.01.90
Reports
Bird mortality following the Mersey oil spill, August 1989
01.01.90
Reports
The day and night distributions of waterfowl on the Mersey and adjacent areas.
01.01.90
Reports