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.
Search settings
The effects on waterbirds of dredging at the Cardiff Bay Barrage Interim Report December 2001
Author: Burton, N.H.K. & Clark, N.A.
Published: 2001
01.01.01
Reports
Breeding Birds in the Wider Countryside: their conservation status 2000
Author: Baillie, S.R., Crick, H.Q.P., Balmer, D.E., Bashford, R.I., Beaven, L.P., Freeman, S.N., Marchant, J.H., Noble, D.G., Raven, M.J., Siriwardena, G.M., Thewlis, R and Wernham, C.V.
Published: 2001
01.01.01
Reports BirdTrends

Review of the status of introduced non-native waterbird species in the agreement area of the African-Eurasian Waterbird Agreement Research Contract CR0219
Author: Blair, M.J., McKay, H., Musgrove, A.J. & Rehfisch, M.M.
Published: 2000
01.01.00
Reports
The effect of the Cardiff Bay Barrage on Waterfowl Populations 10. Distribution and movement studies August 1998 - May 1999
Author: Burton, N.H.K., Rehfisch, M.M. & Clark, N.A.
Published: 2000
01.01.00
Reports
Acidification and terrestrial birds
Author: Chamberlain, D.E., Warren, R.W., Crick, H.Q.P., Hall, J., Metcalfe, S., Ormerod, S., Whyatt, D. & Vickery, J.A.
Published: 2000
01.01.00
Reports