 |
 |
 |
 |
||
| |
| BBWC
Home > Contents >
References
REFERENCES Aebischer, N.J. (1999) Multi-way comparisons and generalised linear models of nest success: extensions of the Mayfield method. Bird Study 46: S22-S31. Anganuzzi, A.A. (1993) A comparison of tests for detecting trends in abundance indices of dophins. Fishery Bull. US 91: 183-194. Anonymous (1995) Biodiversity: the UK Steering Group report. Vol. 1: Meeting the Rio Challenge. Vol. 2: Action Plans. HMSO, London. Anonymous (1998) UK Biodiversity Group Tranche 2 Action Plans. Vol. 1: Vertebrates & Vascular Plants. English Nature, Peterborough. Baillie, S.R. (1990) Integrated population monitoring of breeding birds in Britain and Ireland. Ibis 132: 151-166. Baillie, S.R. (1991) Monitoring terrestrial breeding bird populations. In Goldsmith, F.B. (ed.) Monitoring for Conservation and Ecology: 112-132. Chapman & Hall, London. Baillie, S.R. & Green, R.E. (1987) The importance of variation in recovery rates when estimating survival rates from ringing recoveries. Acta Ornithologica 23: 41-60. Baillie, S.R. & McCulloch, N. (1993) Modelling the survival rates of passerines ringed during the breeding season from national ringing and recovery data. In Lebreton, J.-D. & North, P.M. (eds) Marked Individuals in the Study of Bird Populations: 123-139. Birkhauser, Basel. Baillie, S.R. & Peach, W.J. (1992) Population limitation in Palaearctic-African migrant passerines. Ibis 134 Suppl. 1: 120-132. 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. (2001) Breeding Birds in the Wider Countryside: their conservation status 2000. BTO Research Report No. 252. BTO, Thetford. Bibby, C.J. & Etheridge, B. (1993) Status of the Hen Harrier Circus cyaneus in Scotland in 1988-89. Bird Study 40: 1-11. Brindley, E., Norris, K., Cook, T., Babbs, S., Forster-Browne, C. & Yaxley, R. (1998) The abundance and conservation status of redshank (Tringa totanus) nesting on saltmarshes in Great Britain. Biol.Cons. 86: 289-297. Brooke, M. de L. & Davies, N.B. (1987) Recent changes in host usage by cuckoos Cuculus canorus in Britain. J. Anim. Ecol. 56: 873-883. Brown, A.F., Crick, H.Q.P. & Stillman, R.A. (1995) The distribution , numbers and breeding ecology of Twite Acanthis flavirostris in the south Pennines of England. Bird Study 42: 107-121. Buckland, S.T., Cattanch, K.L. & Anganuzzi, A.A. (1992) Estimating trends in abundance of dolphins associated with tuna in the eastern tropical Pacific Ocean, using sightings data collected on commercial tuna vessels. Fishery Bulletin 90, 1-20. Catchpole, E.A., Morgan, B.J.T., Freeman, S.N. & Peach, W.J. (1999) Modelling the survival of British Lapwings Vanellus vanellus using ring-recovery data and weather covariates. Bird Study 46 (suppl.): 5-13. Chamberlain, D.E. & Crick, H.Q.P. (1999) Population declines and reproductive performance of skylarks Alauda arvensis in different regions and habitats of Great Britain. Ibis 141: 38-51. Chamberlain, D.E. & Siriwardena, G.S. (2000) The effects of agricultural intensification on Skylarks Alauda arvensis: evidence from monitoring studies in Great Britain. Environmental Reviews 8: 95-113. Crawley, M.J. (1993) GLIM for Ecologists. Blackwell Science, Oxford, UK. Crick, H.Q.P. (1992a) Trends in the Breeding Performance of Golden Plover in Britain. BTO Res. Rep. No 76. BTO, Thetford. Crick, H.Q.P. (1992b) A bird-habitat coding system for use in Britain and Ireland incorporating aspects of land-management and human activity. Bird Study 39:1-12. Crick, H.Q.P. (1993) Trends in breeding success of Merlins (Falco columbarius) in Britain from 1937-1989. In Nicholls, M.K. & Clarke, R. (Eds.) Biology and Conservation of Small Falcons: 30-38. Hawk & Owl Trust, London. Crick, H.Q.P. (1997) Long-term trends in Corn Bunting Miliaria calandra productivity in Britain. In Donald, P.F. & Aebischer, N.J. (Eds.) The Ecology and Conservation of Corn Buntings Miliaria calandra: 52-64. UK Nature Conservation No. 13. JNCC, Peterborough. Crick, H.Q.P. (1998) Decline in clutch size of Hen harriers: reply. BTO News 218: 23. Crick, H.Q.P. & Baillie, S.R. (1996) A review of the BTO's Nest Record Scheme: Its value to the Joint Nature Conservation Committee and Country Agencies, and its methodology. BTO Research Report No. 159. BTO, Thetford. Crick, H.Q.P., Baillie, S.R., Balmer, D.E., Bashford, R.I., Dudley, C., Glue, D.E., Gregory, R.D., Marchant, J.H., Peach, W.J. & Wilson, A.M. (1997) Breeding birds in the Wider Countryside: their conservation status (1971-1995). BTO Research Report No. 187. BTO, Thetford. Crick, H.Q.P., Baillie, SR., Balmer, D.E., Bashford, R.I., Beaven, L.P., Dudley, C., Glue, D.E., Gregory, R.D., Marchant, J.H., Peach, W.J. & Wilson, A.M. (1998) Breeding Birds in the Wider Countryside: their conservation status (1972-1996). BTO Research Report No. 198. BTO, Thetford. Crick, H.Q.P., Dudley, C., Evans, A.D. & Smith, K.W. (1994) Causes of nest failure among buntings in the UK. Bird Study 41: 88-94. Crick, H.Q.P., Dudley, C. & Glue, D.E. (1993) Breeding Birds in 1991. BTO News 185: 15-18. Crick, H.Q.P., Dudley, C., Glue, D.E. & Thomson, D.L. (1997) UK birds are laying eggs earlier. Nature 388: 526. Crick, H.Q.P. & Ratcliffe, D.A. (1995) The Peregrine Falco peregrinus population of the United Kingdom in 1991. Bird Study 42: 1-19. Crick, H.Q.P., Raven, M., Beaven, L.P., Dudley, C. & Glue, D.E. (2000) Breeding trends from Nest Records leads to new alerts for declining species. BTO News 228: 8-9. Crick, H.Q.P. & Sparks, T.H. (1999) Climate change related to egg-laying trends. Nature 399: 423-4. DETR (2000) Report of the UK Raptor Working Group. DETR, London. Dobson, A.P. & Hudson, P.J. (1992) Regulation and stability of a free-living host-parasite system Trichostrongylus tenuis in Red Grouse. II Population models. J. Anim Ecol. 61, 487-500. Donald, P.F. (1997) The Corn Bunting Miliaria calandra in Britain: a review of current status, patterns of decline and possible causes. In Donald, P.F. & Aebischer, N.J. (eds) The Ecology and Conservation of Corn Buntings Miliaria calandra: 11-26. UK Nature Conservation No. 13. Joint Nature Conservation Committee, Peterborough. Donald, P.F. & Vickery, J.A. (2000) The importance of cereal fields to breeding and wintering skylarks Alauda arvensis in the UK. In Proceedings of the 1999 BOU Spring Conference: Ecology and Conservation of Lowland Farmland Birds (Eds N.J. Aebischer, A.D. Evans, P.V. Grice & J.A. Vickery). Elliott, G.R. & Avery, M.I. (1991) A review of reports of buzzard persecution 1975-1989. Bird Study 38: 52-56. Etheridge, B., Summers, R.W. & Green, R.E. (1997) The effects of illegal killing and destruction of nests by humans on the population dynamics of the hen harrier Circus cyaneus in Scotland. J. Appl. Ecol. 34:1081-1105. Fewster, R.M., Buckland, S.T., Siriwardena, G.M., Baillie, S.R. & Wilson, J.D. (2000) Analysis of population trends for farmland birds using generalized additive models. Ecology 81: 1970-1984. Freeman, S.N., Wernham, C.V. & Balmer, D.E. (In prep.) Long-term changes in the productivity of common songbirds in Britain and Ireland from constant effort ringing. Freeman, S.N. & Crick, H.Q.P. (In prep.) The decline of the Spotted Flycatcher Muscicapa striata in the UK: an integrated population model. Fuller, R.J. (1996) Relationships between grazing and birds with particular reference to sheep in the British uplands. BTO Research Report No. 164. BTO, Thetford. Fuller, R.J., Gregory, R.D., Gibbons, D.W., Marchant, J.H., Wilson, J.D., Baillie, S.R. & Carter, N. (1995) Population declines and range contractions among lowland farmland birds in Britain. Conserv. Biol. 9: 1425-1441. Fuller, R.J., Marchant, J.H. & Morgan, R.A. (1985) How representative of agricultural practice in Britain are Common Birds Census farmland plots? Bird Study 32: 56-70. Gibbons, D.W., Avery, M., Baillie, S.R., Gregory, R.D., Kirby, J.R., Porter, R., Tucker, G.M. & Williams, G. (1996) Bird species of conservation concern in the United Kingdom, Channel Islands and Isle of Man: revising the Red Data List. RSPB Conserv. Rev. 10: 7-18. Gibbons, D.W., Reid, J.B. & Chapman, R.A. (1993) The New Atlas of Breeding Birds in Britain and Ireland: 1988-1991. London: Poyser. Glue, D.E. (1990) Breeding biology of the Grasshopper Warbler in Britain. Brit. Birds 83: 131-145. Glue, D.E. (1994) Siskins arrive early on orange peanut bags as House Sparrow numbers decline. BTO News 194: 14-15. Goss-Custard, J.C. (1993) The effect of migration and scale on the study of bird populations: 1991 Witherby Lecture. Bird Study 40: 81-96. Gregory, R.D. & Marchant, J.H. (1996) Population trends of Jays, Magpies, Jackdaws and Carrion Crows in the United Kingdom. Bird Study 43: 28-37. Hastie, T.J. & Tibshirani, R.J. (1990) Generalized additive models. Chapman & Hall, London, UK. Henderson, I.G. & Hart, P.J.B. (1993) Provisioning, parental investment and reproductive success in Jackdaws Corvus monedula. Ornis Scandinavica 24: 142-148. Henderson, I.G., Wilson, A.M., Steele, D. & Vickery, J.A. (in press) Population estimates, trends and habitat associations of breeding Lapwing, Curlew and Snipe in Northern Ireland in 1999. Bird Study. Hinsley, S.A., Bellamy, P.E., Newton, I & Sparks, T.H. (1995) Habitat and landscape factors influencing the presence of individual breeding bird species in woodland fragments. J. Avian Biol. 26: 94-104. Holloway, S. (1996) The Historical Atlas of Breeding Birds in Britain and Ireland 1875-1900. T. & A.D. Poyser, London. Hudson, P.J. (1992) Grouse in space and time. Game Conservancy Trust, Fordingbridge. Hudson, R., Tucker, G.M. & Fuller, R.J. (1994) Lapwing Vanellus vanellus populations in relation to agricultural changes: a review. In Tucker, G.M., Davies, S.M. & Fuller, R.J. (eds) The Ecology and Conservation of Lapwings Vanellus vanellus: 1-33. UK Nature Conservation No 9. JNCC, Peterborough. JNCC (1996) Birds of Conservation Importance. Press release (31 May 1996). Joint Nature Conservation Committee, Peterborough. Johnson, D.H. (1979) Estimating nest success: The Mayfield method and an alternative. Auk 96: 651-661. Krebs, J.R., Wilson, J.D., Bradbury R.B. & Siriwardena, G.M. (1999) The second silent spring? Nature 400: 611-612. Kyrkos, A. (1997) Behavioural and demographic responses of yellowhammers to variation in agricultural practices. D.Phil. Thesis, University of Oxford. Lawton, J.H. (1993) Range, population abundance and conservation. TREE 8: 409-413. Lawton, J.H. (1996) Population abundances, geographic ranges and conservation: 1994 Witherby Lecture. Bird Study 43: 3-19. Manley, B.F.J. (1991) Randomisation and Monte Carlo Methods in Biology. Chapman & Hall, London. Marchant, J.H., Freeman, S.N., Crick, H.Q.P. & Beaven, L.P. (In prep.) The BTO Heronries Census of England and Wales 1928-98: new indices and a comparison of analytical methods. Marchant, J.H. & Gregory, R.D. (1999) Numbers of nesting Rooks Corvus frugilegus in the United Kingdom in 1996. Bird Study 46: 258-273. Marchant, J.H., Hudson, R., Carter, S.P. & Whittington, P.A. (1990) Population Trends in British Breeding Birds. BTO, Tring. Marchant, J.H., Wilson, A.M., Chamberlain, D.E., Gregory, R.D. & Baillie, S.R. (1997) Opportunistic Bird Species - Enhancements for the Monitoring of Populations. BTO Research Report No. 176. BTO, Thetford. Mayfield, H. (1961) Nesting success calculated from exposure. The Wilson Bulletin 73(3): 255-261. Mayfield, H. (1975) Suggestions for calculating nest success. The Wilson Bulletin 87: 456-466. Monaghan, P., Uttley, J.D., Burns, M.D., Thaine, C., & Blackwood, J. (1989) The relationship between food supply, reproductive effort and breeding success in Arctic Terns Sterna paradisaea. J. Anim. Ecol. 58: 261-274. Morris, A., Burges, D., Fuller, R.J., Evans, A.D. & Smith, K.W. (1994) The status and distribution of Nightjars Caprimulgus europaeus in Britain in 1992. Bird Study 41: 181-191. Moss, D. & Moss, G.M. (1993) Breeding biology of the Little Grebe Tachybaptus ruficollis in Britain and Ireland. Bird Study 40: 107-114. Mountford, M.D. (1982) Estimation of population fluctuations with application to the Common Birds Census. Appl. Stat. 31: 135-143. Mountford, M.D. (1985) An index of population change with an application to the Common Birds Census. In Morgan, B.J.T. & North, P.M. (Eds) Statistics in Ornithology: 121-132. Springer-Verlag, Berlin. Musgrove, A.J., Pollitt, M.S., Hall, C., Hearn, R.D., Holloway, S.J., Marshall, P.E., Robinson, J.A. & Cranswick, P.A. (2001) The Wetland Bird Survey 1999-2000: WIldfowl and Wader Counts. BTO/WWT/RSPB/JNCC, Slimbridge. Newton, I. (1986) The Sparrowhawk. Poyser, Calton. O'Connor, R.J. & Marchant, J.H. (1981) A field validation of some Common Birds Census techniques. BTO Research Report 4. BTO, Tring. O'Connor, R.J. & Mead, C.J. (1984) The Stock Dove in Britain, 1930-1980. Brit. Birds 77: 181-201. O'Connor, R.J. & Shrubb, M. (1986) Farming and Birds. Cambridge, UK: Cambridge University Press. Ogilvie, M.A. & Rare Breeding Birds Panel (1998) Rare breeding birds in the United Kingdom in 1998. Brit. Birds 93: 358-393. Ormerod, S.J. & Tyler, S.J. (1989) Long-term change in the suitability of Welsh streams for Dippers Cinclus cinclus as a result of acidification and recovery: a modelling study. Env. Poll. 62: 171-182. Ormerod, S.J. & Tyler, S.J. (1990) Environmental pollutants in the eggs of Welsh Dippers Cinclus cinclus: a potential monitor of organochlorine and mercury contamination in upland rivers. Bird Study 37: 171-176. Pannekoek, J. & van Strien, A. (1996) TRIM (TRends and Indices for Monitoring data). Research paper 9634. Statistics Netherlands, Voorburg, The Netherlands. Parr, S.J. (1994) Changes in the population size and nest sites of Merlins Falco columbarius in Wales between 1970 and 1991. Bird Study 41: 42-47. Peach, W.J. (1993) Combining mark-recapture data sets for small passerines. In Marked Individuals in the Study of Bird Populations (eds J.-D. Lebreton & P.M. North), pp. 107-122. Birkhauser Verlag, Basel, Switzerland. Peach, W.J. & Baillie, S.R. (1994) Implementation of the Mountford indexing method for the Common Birds Census. In Hagemeijer, W. and Verstrael, T. (eds.) Bird Numbers 1992. Distribution, Monitoring and Ecological Aspects: 653-662. Proc. 12th Int. Conf. International Bird Census Council and European Ornithological Atlas Committee. Beek-Ubbergen: Sovon. Peach, W.J., Baillie, S.R & Balmer, D.E. (1998) Long-term changes in the abundance of passerines in Britain and Ireland as measured by constant effort mist-netting. Bird Study 45: 257-275. Peach, W.J., Baillie, S.R. & Underhill, L. (1991) Survival of British Sedge Warblers Acrocephalus schoenobaenus in relation to west African rainfall. Ibis 133: 300-305. Peach, W.J., Buckland, S.T. & Baillie, S.R. (1996) The use of constant effort mist-netting to measure between-year changes in the abundance and productivity of common passerines. Bird Study 43: 142-156. Peach, W.J., Crick, H.Q.P. & Marchant, J.H. (1995) The demography of the decline in the British Willow Warbler population. J. Appl. Stat. 22: 905-922. Peach, W.J., du Feu, C. & McMeeking, J. (1995b) Site tenacity and survival rates of Wrens Troglodytes troglodytes and Treecreepers Certhia familiaris in a Nottinghamshire wood. Ibis 137: 497-507. Peach, W.J., Siriwardena, G.M. & Gregory, R.D. (1999) Long-term changes in the abundance and demography of British reed buntings Emberiza schoeniclus. J. Appl. Ecol. 36: 798-811. Peach, W.J., Thompson, P.S. & Coulson, J.C. (1994) Annual and long-term variation in the survival rates of British lapwings Vanellus vanellus. J. Anim. Ecol. 63: 60-70. Percival, S.M. (1990) Population trends in British Barn Owls, Tyto alba, and Tawny Owls, Strix aluco, in relation to environmental change. BTO Research Report No. 57, Tring. Pienkowski, M.W. (1991) Using long-term ornithological studies in setting targets for conservation in Britain. Ibis, 133 (Suppl 1): 62-75 (Peregrine, Lapwing). Pienkowski, M.W. & Evans, P.R. (1982) Breeding behaviour, productivity and survival of colonial and non-colonial Shelducks Tadorna tadorna. Ornis Scand. 13: 101-116. Pollitt, M.S., Cranswick, P.A., Musgrove, A.J., Hall, C., Hearn, R.D, Robinson, J.A. & Holloway, S.J. (2000) The Wetland Bird Survey 1998-99: Wildfowl and Wader Counts. BTO/WWT/RSPB/JNCC, Slimbridge, Glos. Potts, G.R. (1986) The Partridge: Pesticides, Predation and Conservation. Collins, London. Prince, P. & Clarke, R. (1993) The hobby's breeding range in Britain. Brit. Wildl. 4: 341-346. Ratcliffe, D.A. (1976) Observations on the breeding of the Golden Plover in Great Britain. Bird Study 23: 62-116. Ratcliffe, D.A. (1993) The Peregrine Falcon. Second Edition. Poyser, London. Redpath, S. & Thirgood, S. (1997) Birds of Prey and Red Grouse. HMSO, London. Rehfisch, M.M., Wernham, C.V. & Marchant, J.H. (Eds) (1999) Population, distribution, movements and survival of fish-eating birds in Great Britain. DETR, London. SAS Institute Inc. (1990) SAS Language: Reference, Version 6, First Edition. SAS Inst. Inc., Cary, NC. Siriwardena, G.M., Baillie, S.R., Buckland, S.T., Fewster, R.M., Marchant, J.H. & Wilson, J.D. (1998b) Trends in the abundance of farmland birds: a quantitative comparison of smoothed Common Birds Census indices. J. Appl. Ecol. 35: 24-43. Siriwardena, G.M., Baillie, S.R., Crick, H.Q.P. & Wilson, J.D. (2000b) The importance of variation in the breeding performance of seed-eating birds for their population trends on farmland. J. Appl. Ecol. 37: 1-22. Siriwardena, G.M., Baillie, S.R., Crick, H.Q.P., Wilson, J.D. & Gates S. (2000) The demography of lowland farmland birds. In Proceedings of the 1999 BOU Spring Conference: Ecology and Conservation of Lowland Farmland Birds (Eds. N.J. Aebischer, A.D. Evans, P.V. Grice & J.A. Vickery). Siriwardena, G.M., Baillie, S.R. & Wilson, J.D. (1998a). Variation in the survival rates of British farmland passerines with respect to their population trends. Bird Study 45: 276-292. Siriwardena, G.M., Baillie, S.R. & Wilson, J.D. (1999) Temporal variation in the annual survival rates of six granivorous birds with contrasting population trends. Ibis 141: 621-636. Siriwardena, G.M., Freeman, S.N. & Crick, H.Q.P. (2001) The decline of the Bullfinch Pyrrhula pyrrhula in Britain: is the mechanism known? Acta Orn. 36(2):143-152. Sitters, H.P., Fuller, R.J., Hoblyn, R.A., Wright, M.T., Cowie, N. & Bowden, C.G.R. (1996) The Woodlark Lullula arborea in Britain: population trends, distribution and habitat occupancy. Bird Study 43: 172-187. Snow, D.W. (1965) The relationship between census results and the breeding population of birds on farmland. Bird Study 12, 287-304. Stone, B.H., Sears, J., Cranswick, P.A., Gregory, R.D., Gibbons, D.W., Rehfisch, M.M., Aebischer, N.J. & Reid, J.B. (1997) Population estimates of birds in Britain and in the United Kingdom. Brit. Birds 90: 1-22. Summers, R. (1998) The decline in clutch size of Hen Harriers. BTO News 218: 23. Temple, S.A. & Wiens, J.A. (1989) Bird populations and environmental changes: can birds be bio-indicators? Amer. Birds 43: 260-270. Thomas, G.E. (1993) Estimating annual total heron population counts. Appl. Statistics 42: 473-486. Thompson, R., Brindley, E. & Heubeck, M. (1997) Seabird numbers and breeding success in Britain and Ireland, 1996. JNCC UK Nature Conservation Report 21. Thomson, D.L., Baillie, S.R. & Peach, W.J. (1997) The demography and age-specific annual survival of British song thrushes Turdus philomelos during periods of population stability and decline. J. Anim. Ecol. 66: 414-424. Toms, M.P., Crick, H.Q.P. & Shawyer, C.R. (2000) Project Barn Owl Final Report. BTO Research Report No. 197/ HOT Research Report 98/1. British Trust for Ornithology/Hawk & Owl Trust, Thetford, Norfolk. Toms, M.P., Crick, H.Q.P. & Shawyer, C.R. (2001) The status of breeding Barn Owls Tyto alba in the United Kingdom 1995-97. Bird Study 48: 23-37. Upton, A.J., Pickerell, G. & Heubeck, M. (2000) Seabird numbers and breeding success in Britain and Ireland, 1999. U.K. Nature Conservation No. 24. JNCC, Peterborough. Vanhinsbergh, D., Fuller, R.J & Noble, D.G. (2001). An analysis of changes in the populations of British woodland birds and a review of possible causes. BTO Research Report, British Trust for Ornithology, Thetford, Norfolk. van Horne, B. (1983) Density as a misleading indicator of habitat quality. J. Wildl. Manage. 47: 893-901. Vickery, P.D., Hunter, M.L. & Wells, J.V. (1992) Is density an indicator of breeding success? The Auk 109: 706-710. Visser, M.E., van Noordwijk, A.J., Tinbergen, J.M. & Lessels, C.M. (1998) Warmer springs lead to mistimed reproduction in Great Tits (Parus major). Proc.R.Soc.Lond.B 265: 1867-1870. Watson, J., Langslow, D.R. & Rae, S.R. (1987) The impact of land-use change on Golden Eagles Aquila chrysaetos in the Scottish Highlands. NCC Report No. 720, NCC, Peterborough. Wilson, A.M., Henderson, A.C.B. & Ruller, R.J. (2002) Status of the Common Nightingale (Luscinia megarhynchos) in England at the end of the 20th century with particular reference to climate change. Bird Study 49 (in press). Wilson, A.M., Vickery, J.A. & Browne, S.J. (2001) Numbers and distribution of Northern Lapwings Vanellus vanellus breeding in England and Wales in 1998. Bird Study 48: 2-17. Wilson, J.D., Evans, J., Browne, S.J., & King, J.R. (1997) Territory distribution and breeding success of skylarks Alauda arvensis on organic and intensive farmland in Southern England. J. Appl. Ecol. 34: 1462-1478. Winstanley, D., Spencer, R. & Williamson, K. (1974) Where have all the Whitethroats gone? Bird Study 21: 1-14. Wotton, S.R. & Gillings, S. (2000) The status of breeding Woodlarks Lullula arborea in Britain in 1997. Bird Study 47: 212-224.
|
|
This
report should be cited as: Page created by Susan Waghorn |
