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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Improving our understanding of the distribution and status of bats within the Ryevitalise Landscape Partnership Scheme area
Author: Newson S.E., Berthinussen A.
Published: 2019
27.02.19
Reports
Investigating wader breeding productivity in the East Cairngorms Moorland Partnership Area using collaborative methods
Author: Jarrett D., Calladine J., Milner J., Wernham C., Wilson M.
Published: 2019
Breeding wader populations have declined significantly in recent decades in the UK. During this time, areas of moorland managed for grouse shooting and adjacent areas of rough pasture have been identified as persisting strongholds. A contributory cause to wader population declines is afforestation, and in the Cairngorms National Park (CNP) there is likely to be significant woodland expansion (with associated conservation gains for woodland biodiversity) in areas currently holding breeding waders. Land management planning in the CNP requires a balance between these and other competing objectives.
18.01.19
Reports
BirdTrends 2018
Author: Woodward, I.D., Massimino, D., Hammond, M.J., Harris, S.J., Leech, D.I., Noble, D.G., Walker, R.H., Barimore, C., Dadam, D., Eglington, S.M., Marchant, J.H., Sullivan, M.J.P., Baillie, S.R. & Robinson, R.A.
Published: 2019
The BirdTrends 2018 report is a one-stop shop for authoritative information about the population status of the common breeding birds of the wider UK countryside. The report is based on data gathered by the many thousands of volunteers who contribute to BTO-led surveys.
01.01.19
Reports BirdTrends

Review of data and monitoring options for assessing the status of breeding wader populations in the Yorkshire Dales National Park
Author: Wilson M., Jarrett D., & Calladine J.
Published: 2018
Breeding waders are among the birds of highest conservation concern in the UK. The findings of recent national scale surveys suggest that the Yorkshire Dales National Park (YDNP) supports important breeding concentrations of several wader species.
31.12.18
Reports
State of Birds in Wales 2018
Author:
Published: 2018
Produced jointly by RSPB, BTO, Natural Resource Wales (NRW) and the Welsh Ornithological Society (WOS) , this report provides a current overview of the state of breeding and wintering bird populations in Wales, as well as information about recent conservation initiatives.
06.12.18
Reports State of Birds in Wales
