All Research Reports
The following is a full list of those BTO research reports which have been published. Links to Abstracts are included where possible.
Numbers missing from the list are those allocated but which were never produced or which have not been published. BTO recognises that, particularly in respect of commercially sensitive cases, a period of confidentiality is appropriate for some projects. However, in the interests of scientific development and dissemination of information, we encourage clients to permit publication as soon as it is reasonable to do so.
If you wish to purchase a copy of a report please contact researchreports [at] bto [dot] org
View report numbers:
All reports 1-100 101-200 201-300 301-400 401-500 501-600 or Annual Service reports to JNCC 1992-2005
3.
1981.
Oil pollution mortality of British and Irish seabirds during the winter of 1980-81 analysed by colony of origin and age at death.
41 pp
£5.00.
(A report by the BTO to the NCC prepared under Contract No. HF3/03/192.)
4.
1981.
A field validation of some Common Birds Census Techniques.
260 pp
£20.00
A report from the BTO to the NCC in respect of certain work conducted under contract No. HF3/03/192.
5.
1981.
Population level and nesting biology of the Stock Dove Columba oenas in Great Britain, 1930-1980.
47 pp
£5.00
A report from the BTO to the NCC in respect of certain work done under Contract No. HF3/03/192.
6.
1982.
The possible impact of wind power generators on flying birds.
16 pp
£2.50
A report from the BTO to the NCC.
7.
1982.
Breeding seasons of some British waders.
55 pp
£5.00
A report from the BTO to the NCC on certain work conducted under Contract No. HF3/03/192.
8.
1982.
The effects of severe winter weather on British Bird Populations.
53 pp
£5.00
A report on certain work conducted by the BTO for the NCC under Contract No. HF3/03/192.
9.
1983.
Breeding birds and woodland management in some Lincolnshire limewoods.
25 pp
£2.50
A report from the BTO to the NCC on certain work conducted under Contract No. HF3/03/192.
10.
1983.
An assessment of the importance of the Eden Estuary and the Firth of Tay for non-breeding populations of waders.
17 pp
£2.50
A report from the BTO to the NCC in respect of certain work done under Contract No. HF3/03/192.
11.
1984.
The movements of migratory birds in periods of severe cold weather.
66 pp
£5.00
A report from the NCC to the Council of Europe under Contract 90/84.
12.
1984.
Monitoring farmland birds in Britain: Composition and representativeness of Common Birds Census samples.
47 pp
£5.00
A report from the BTO to the NCC on certain work conducted under Contract No. HF3/03/192.
13.
1984.
Population estimates for British breeding birds.
94 pp
£10.00
A report from the BTO to the NCC in respect of certain work done under Contract No. HF3/03/192.
14.
1984.
Solway Firth shorebird survey.
173 pp
£15.00
A report to the NCC and the RSPB, NCC Contract No. HF3/03/247.
15.
1984.
A re-evaluation of the aims and methods of the Common Birds Census.
157 pp
£15.00
A report on certain research conducted under NCC Contract No. HF3/03/192.
16.
1984.
The distribution and feeding behaviour of breeding songbirds on cereal farmland at Manydown Farm, Hampshire, in 1984.
51 pp
£5.00
A report to the Game Conservancy.
17.
1985.
Population estimates of birds wintering in Britain and Ireland.
52 pp
£5.00
18.
1986.
The effects on songbirds of leaving cereal crop headlands unsprayed.
66 pp
£5.00
A report to the Game Conservancy.
19.
1986.
Cold weather movements of waterfowl and waders: An analysis of ringing recoveries.
269 pp
£20.00
A report from the BTO to the NCC in respect of certain work done under Contract No. HF3/03/192.
21.
1986.
An evaluation of the Constant Effort Sites Scheme.
103 pp
£10.00
Report to the Ringing Committee of the BTO.
22.
1986.
Ecological effects of man's activities on waders.
12 pp
£2.50
A report from the BTO based on work funded by the NCC under contract No. HF3/03/192.
23.
1987.
Long-term trends in breeding success of some British birds.
138 pp
£10.00
A report to the Environmental Research Fund on work under a TERF research grant.
24.
1987.
The ornithological significance of the Mostyn Docks area of the Dee Estuary to wildfowl and waders.
0-903793-32-6
41 pp
£5.00
A report from the BTO to the NCC and the RSPB.
25.
1987.
The ornithological significance of Flint marshes and mudflats to wildfowl and waders.
42 pp
£5.00
A report from the BTO to the NCC and the RSPB.
26.
1987.
Summary statistics for waders on United Kingdom estuaries, 1981/82 to 1985/86. Part 1: England. Part 2: Scotland. Part 3: Wales. Part 4: Northern Ireland.
400 pp
£25.00
A report from the BTO to the NCC and the RSPB.
27.
1987.
The seasonal use of gardens by birds with special reference to supplementary feeding.
120 pp
£10.00
A report from the BTO to Pedigree Petfoods.
28.
1988.
Breeding population estimates for selected bird species in ITE sample squares.
15 pp
£2.50
A report from the BTO to the ITE (Merlewood) in respect of work done under Contract Ref. F3CR05-D4-55-04.
29.
1988.
Farmland habitat features and birds.
13 pp
£2.50
A report from the BTO to the NCC in respect of work done under Contract No. HF3/03/192.
30.
1987.
The 'New Atlas' pilot fieldwork.
c. 57 pp
£5.00
A report on the 'New Atlas' pilot fieldwork (1987) to the Atlas Working Group.
31.
1988.
An ornithological survey of the Fawley area.
123 pp
£10.00
Report to the System Planning Department of the Central Electricity Board, CEGB permission must be sought before a copy of the report is given to anyone.
34.
1988.
A small-scale study of the comparative use of herbicide-treated and untreated headlands by birds in winter.
25 pp
£2.50
A report to the Game Conservancy.
36.
1988.
A survey of the wintering birds in the Fawley area (Part 1).
185 pp
£15.00
Report to the System Planning Department of the CEGB.
37.
1988.
An ornithological survey of the Killingholme area.
283 pp
£20.00
Report to the System Planning Department of the CEGB.
38.
1988.
The role of the Uists as a late spring staging post for some Nearctic-breeding waders.
0-903793-28-8
32 pp
£2.50
A report from the Estuaries Programme, BTO.
39.
1989.
Habitat and related changes to British ornithological sites between 1975-1985.
46 pp
£5.00
A report from the BTO to the NCC in respect of certain work done under contract.
40.
1988.
Wader migration and distribution in South West Estuaries. Also Wader migration and distribution in South West Estuaries Appendices (2 volumes - separately bound).
277 pp
£20.00
Report to ETSU Contract No. E/5A/CON/4055/1748. NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
42.
1989.
The effects of collisions with overhead lines on British Birds: An analysis of ringing recoveries.
0-903793-14-8
227 pp
£15.00
A report from the BTO to the CEGB in respect of work done under contract.
43.
1989.
The abundance and distribution of wildfowl and waders on the Burry Inlet.
90 pp
£10.00
A report from the BTO to the NCC, Contract No. HF3/03/192.
44.
1989.
Poole Bridge replacement environmental impact assessment: Ornithological studies.
0-903793-27-X
194 pp
£15.00
A report to Dorset County Council.
45.
1989.
The abundance and distribution of wildfowl and waders on the Cleddau (Milford Haven).
118 pp
£10.00
A report from the BTO to the NCC, Contract No. HF3/03/192.
47.
1990.
Implications of a 'Greenhouse climate' for British birds.
0-903793-26-1
26 pp
£2.50
49.
1990.
A review of raptor population monitoring.
0-903793-05-9
72 pp
£5.00
A report commissioned by the NCC.
50.
1989.
Distribution of breeding birds in Bradfield Woods, Suffolk in relation to coppice management.
48 pp
£5.00
A report from the BTO to the NCC and the Suffolk Wildlife Trust.
51.
1990.
Distribution Studies of waders and Shelduck in the Severn Estuary (Parts 1 & 2).
112 pp
£10.00
A report from the BTO to ETSU (ETSU TID 4076). NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
52.
1989.
Indices for waterbird populations.
53 pp
£5.00
A report on behalf of the BTO to the International Waterbird and Wetlands Research Bureau.
53.
1991.
Birds in European Gardens in the winter and spring of 1988-89.
0-903793-13-X
102 pp
£10.00
A report from the BTO to the Waltham Centre for Pet Nutrition.
54.
1990.
Waterfowl migration and distribution in NW estuaries. Volume 1: Text and Tables. Volume 2: Figures.
500 pp
£25.00
ETSU TID 4074. NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
55.
1990.
The abundance and distribution of wildfowl and waders on the Carmarthen Bay (Taf/Tywi/Gwendraeth).
41 pp
£5.00
A report from the BTO to the NCC.
56.
1990.
The wintering wader and wildfowl populations of Strangford Lough.
0-903793-04-0
104 pp
£10.00
A report by the BTO to the International Waterfowl and Wetlands Research Bureau.
57.
1990.
Population Trends in British Barn Owls, Tyto alba, and Tawny Owls, Strix aluco, in relation to environmental change.
0-903793-25-3
129 pp
£10.00
58.
1990.
The conservation of migratory birds in the Western Palearctic-African flyway. Review on the importance of losses incurred to migratory birds during migration.
398 pp
£20.00
Review to the Commission of the European Communities on the work carried out under Contract 6617/27/89.
59.
1990.
The effects of organic inputs to estuaries on overwintering bird populations and communities.
0-903793-06-7
166 pp
£15.00
ETSU TID 4086. NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
60.
1990.
Monitoring requirements for detecting tidal barrage induced changes to estuary bird populations & Appendices.
218 pp
£15.00
ETSU TID 4087. NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
61.
1990.
The impact of noise and artificial light on waterfowl behaviour: A review and synthesis of available literature.
0-903793-24-5
20 pp
£2.50
62.
1990.
The impact of the Mersey oil spill of August 1989 on the populations and distributions of waterfowl.
0-903793-23-7
107 pp
£10.00
A report by the BTO to Mersey Oil Spill Project Advisory Group, Contract 3A.
63.
1990.
Condition and age structure of bird populations on the Mersey.
0-903793-22-9
50 pp
£5.00
A report by the BTO in association with the Merseyside Ringing Group and the British Association for Shooting and Conservation to the Mersey Oil Spill Project Advisory Group, Contract 3B.
64.
1990.
Bird mortality following the Mersey oil spill, August 1990.
0-903793-21-0
36 pp
£5.00
A report by the BTO to the Liverpool Museums and Galleries as part of their report to the Mersey Oil Spill Project Advisory Group, Contract 3C.
66.
1990.
The day and night distributions of waterfowl on the Mersey and adjacent areas.
152 pp
£15.00
ETSU TID 4089. NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
68.
1990.
Final report on the BTO/BASF Garden Bird Survey.
0-903793-07-5
17 pp
£2.50
A report by the BTO to WWF (UK) in respect of work done under contract for BASF (UK).
69.
1990.
The effect of the Cardiff Bay barrage on waterfowl populations 1. Distribution and movement studies November 1989 to May 1990.
1-904870-01-5
156 pp
£15.00
A report from the BTO to Cardiff Bay Development Corporation in respect of work done under contract.
70.
1990.
Agricultural practices and their effects on Lapwings.
72 pp
£5.00
A report to The Environmental Research Fund.
71.
1991.
A guide to birds of estuaries enquiry counting procedure during the 1982/83 to 1988/89 period, and recommendations for the future.
0-903793-20-2
136 pp
£10.00
73.
1991.
The importance of the Wyre Estuary for bird populations in relation to the proposed Wyre barrage.
0-903793-17-2
50 pp
£5.00
A report by the BTO to Binnie and Partners.
74.
1991.
The roosting behaviour of waders and wildfowl in Cardiff Bay.
1-904870-00-7
39 pp
£5.00
Report of work carried out by the BTO under contract to Cardiff Bay Development Corporation.
75.
1991.
The ornithological implications of power line construction on Teeside.
111 pp
£10.00
A report from the BTO to Ove Arup and Partners.
76.
1991.
Trends in the breeding performance of Golden Plover in Britain.
0-903793-11-3
34 pp
£2.50
JNCC Report No. 23.
77.
1991.
Waterfowl distribution and diet on the Mersey Estuary and adjacent areas.
0-903793-40-7
212 pp
£15.00
A report from the BTO to the Mersey Barrage Company.
78.
1991.
Distribution studies of waders and Shelduck on the Severn Estuary with reference to sediment mobility.
0-903793-44-X
182 pp
£15.00
Report to the Severn Tidal Group under contract to Balfour Beatty Ltd.
80.
1991.
Population processes in some British seed-eating birds.
0-903793-12-1
146 pp
£10.00
81.
1991.
The impact of the Severn oil spill of February 1991 on the populations and distributions of waterfowl.
0-903793-16-4
141 pp
£10.00
A report to the British Steel Corporation.
82.
1990.
Ecological assessment of impact of road construction on Merlin Falco columbarius and Hen Harrier Circus cyaneus in Perthshire.
20 pp
£2.50
Report by David Bell, Ecos Countryside Services, to the BTO in respect of the subcontract of a contract between the University of Dundee and M1 Great Britain Ltd.
83.
1991.
The effect of the Cardiff Bay Barrage on waterfowl populations 2. Distribution and movement studies July 1990 - May 1991.
1-902576-94-2
225 pp
£15.00
84.
1991.
A historical review of the bird populations of Cardiff Bay.
1-904870-02-3
87 pp
£10.00
85.
1991.
Repetition of Historical (Pre-War) Surveys Project Feasibility Study.
0-903793-58-X
16 pp
£2.50
86.
1992.
Habitat utilisation by Dunlin on British Estuaries.
0-903793-47-4
171 pp
£15.00
A report to the Severn Tidal Power Group under contract to Balfour Beatty Ltd.
87.
1992.
Preliminary Report. Winter bird survey of the proposed route of the Lackenby-Picton overhead transmission lines.
0-903793-38-5
35 pp
£2.50
A report by the BTO to the National Grid Company.
88.
1992.
Local regional, national and international importance of the wader populations of the Dee Estuary and at Point of Ayr, Clywd.
34 pp
£2.50
A report to Nicholas Pearson Associates on behalf of the Hamilton Oil Company Ltd.
89.
1992.
The roosting behaviour of waders and wildfowl in Cardiff Bay.
1-902576-95-0
46 pp
£5.00
92.
1992.
Waders on Swansea Bay: Past trends and present usage.
124 pp
£10.00
A report by the BTO under contract to the Countryside Council for Wales.
95.
1992.
A case study of the impacts of pipeline construction on bird distribution in the Duddon Estuary.
103 pp
£10.00
A report by the BTO under contract to British Gas.
96.
1992.
Dispersion of waterfowl on the Mersey in relation to their prey.
213 pp
£15.00
A report from the BTO to the Mersey Barrage Company.
97.
1992.
The status and ecology of the St. Helena Wirebird.
0-903793-15-6
89 pp
£10.00
Field work supported by Worldwide Fund for Nature (UK), Peter Scott Trust for Education and Research in Conservation.
99.
1993.
An analysis of the occurrence of rare birds in Britain in relation to weather.
0-903793-56-3
46 pp
£5.00
100.
1992.
Evaluation of the ornithological importance of the Duddon in relation to the proposed tidal barrage.
0-903793-45-8
33 pp
£2.50
102.
1992.
The effects of the Wye Raft Race on the distribution of waterfowl broods.
61 pp
£5.00
A report by the BTO under contract to the National Rivers Authority.
103.
1993.
Estuary Wader capacity following severe weather mortality.
166 pp
£15.00
ETSU TID 4113. NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
104.
1992.
The effect of the Cardiff Bay barrage on waterfowl populations 3. Distribution and movement studies September 1991 - May 1992.
1-902576-96-9
186 pp
£15.00
105.
1992.
Winter bird survey of the proposed route of the Lackenby-Picton overhead transmission lines.
0-903793-37-7
80 pp
£10.00
A report to the National Grid Company plc by the BTO.
106.
1993.
Barn Owl productivity and survival in relation to the use of second generation rodenticides in 1988 to 1990.
0-903793-30-X
20 pp
£2.50
107.
1993.
Disturbance studies on Swansea Bay on the Burry Inlet in relation to bird populations.
0-903793-43-1
84 pp
£10.00
A report by the BTO under contract to the Countryside Council for Wales.
109.
1993.
Variability in waterfowl distribution within hypertidal estuaries in relation to sediments.
319 pp
£20.00
ETSU TID 4114. NB Loan copies of this report are available from Renewable Energy Enquiries Bureau, ETSU, B156, Harwell Laboratory, Oxfordshire, OX11 0RA.
111.
1993.
(British Gas Exploration and Production Limited) North Morecambe Project, Baseline Ornithological Survey, 1991/92 and 1992/93 Winters.
0-903793-39-3
65 pp
£5.00
112.
1993.
Inventory of ornithological data for Thames Waters Sewage Treatment Works (2 volumes).
0-903793-80-6
54 pp
£5.00
Part 1
112.
1993.
Inventory of ornithological data for Thames Waters Sewage Treatment Works (2 volumes).
0-903793-80-6
20 pp
£2.50
Part 2
115.
1993.
The hunting of Snipe and Woodcock in Europe: A Ringing Recovery Analysis.
0-903793-34-2
57 pp
£5.00
A report commissioned by the Game Conservancy Trust.
116.
1993.
The roosting behaviour of waders and wildfowl in Cardiff Bay: Winter 1992/93.
1-902576-97-7
46 pp
£5.00
117.
1993.
The implications of studies of the reporting rates of ringed birds for the interpretation of results from the Wildlife Incidents Investigation Scheme.
0-903793-35-0
107 pp
£10.00
A report to the Ministry of Agriculture, Fisheries and Food on work funded under the MAFF open contracting scheme, Project Reference CSA 1975.
119.
1993.
Ornithological survey of application site for proposed rock characterisation facility.
0-903793-75-X
13 pp
£2.50
120.
1993.
A guide to the provision of refuges for roosting waders.
0-903793-46-6
126 pp
£10.00
A report by the BTO under contract to English Nature.
121.
1993.
The effects of the 1993 Wye Raft Race on the distribution of waterfowl broods.
0-903793-86-5
38 pp
£5.00