-
1
-
-
33846930168
-
Lough Neagh diving ducks: Recent changes in wintering populations
-
Allen, D., Mellon, C., Enlander, I. & Watson, G. 2004. Lough Neagh diving ducks: recent changes in wintering populations. Irish Birds 7: 327-336.
-
(2004)
Irish Birds
, vol.7
, pp. 327-336
-
-
Allen, D.1
Mellon, C.2
Enlander, I.3
Watson, G.4
-
2
-
-
0006305367
-
International censuses of the North-west European Bewick's Swan population, January 1990 and 1995
-
Beekman, J.H. 1997. International censuses of the North-west European Bewick's Swan population, January 1990 and 1995. Swan Specialist Group Newsletter 6: 7-9.
-
(1997)
Swan Specialist Group Newsletter
, vol.6
, pp. 7-9
-
-
Beekman, J.H.1
-
3
-
-
0342909116
-
Population size and breeding success of Bewick's Swans wintering in Europe in 1983-4
-
Beekman, J.H., Dirksen, S. & Slagboom, T.H. 1985. Population size and breeding success of Bewick's Swans wintering in Europe in 1983-4. Wildfowl 36: 5-12.
-
(1985)
Wildfowl
, vol.36
, pp. 5-12
-
-
Beekman, J.H.1
Dirksen, S.2
Slagboom, T.H.3
-
4
-
-
33846929933
-
Bewicks Swan Cygnus columbianus bewickii
-
G.M. Tucker & M.F. Heath eds, Birds in Europe: their Conservation Status, Birdlife International, Cambridge
-
Beekman, J.H., Rees, E.C. & Bacon, P.J. 1994. Bewicks Swan Cygnus columbianus bewickii. In G.M. Tucker & M.F. Heath (eds.), Birds in Europe: their Conservation Status. Birdlife Conservation Series No. 3, Birdlife International, Cambridge.
-
(1994)
Birdlife Conservation Series
, vol.3
-
-
Beekman, J.H.1
Rees, E.C.2
Bacon, P.J.3
-
5
-
-
33846910293
-
Bewicks Swan Cygnus columbianus bewickii
-
J. Kear ed, Oxford University Press, Oxford
-
Bowler, J.M. 2005. Bewicks Swan Cygnus columbianus bewickii. In J. Kear (ed.), Bird Families of the World: Ducks, Geese and Swans. Oxford University Press, Oxford.
-
(2005)
Bird Families of the World: Ducks, Geese and Swans
-
-
Bowler, J.M.1
-
6
-
-
33846904819
-
Numbers and distribution of Whooper Cygnus cygnus and Bewicks Cygnus columbianus bewickii Swans in Ireland: Results of the International Swan Census, January 2000
-
Colhoun, K., McElwaine, J.G., Cranswick, P.A., Enlander, I. & Merne, O.J. 2000. Numbers and distribution of Whooper Cygnus cygnus and Bewicks Cygnus columbianus bewickii Swans in Ireland: results of the International Swan Census, January 2000. Irish Birds 6: 485-494.
-
(2000)
Irish Birds
, vol.6
, pp. 485-494
-
-
Colhoun, K.1
McElwaine, J.G.2
Cranswick, P.A.3
Enlander, I.4
Merne, O.J.5
-
7
-
-
29144483375
-
-
BTO/WWT/RSPB/JNCC, Thetford
-
Collier, M.P., Banks, A.N., Austin, G.E., Girling, T., Hearn, R.D. & Musgrove, A.J. 2005. The Wetland Bird Survey 2003/04: Wildfowl & Wader Counts. BTO/WWT/RSPB/JNCC, Thetford.
-
(2005)
The Wetland Bird Survey 2003/04: Wildfowl & Wader Counts
-
-
Collier, M.P.1
Banks, A.N.2
Austin, G.E.3
Girling, T.4
Hearn, R.D.5
Musgrove, A.J.6
-
8
-
-
33846902866
-
-
BTO/WWT/RSPB/JNCC, Slimbridge
-
Cranswick, P.A., Worden, J., Ward, R.M., Rowell, H.E., Hall, C., Musgrove, A.J., Hearn, R.D., Holloway, S.J., Banks, A.N., Austin, G.E., Griffin, L.R., Hughes, B., Kershaw, M., O'Connell, M.J., Pollitt, M.S., Rees, E.C. & Smith, L.E. 2005. The Wetland Bird Survey 2001-03: Wildfowl & Wader Counts. BTO/WWT/RSPB/JNCC, Slimbridge.
-
(2005)
The Wetland Bird Survey 2001-03: Wildfowl & Wader Counts
-
-
Cranswick, P.A.1
Worden, J.2
Ward, R.M.3
Rowell, H.E.4
Hall, C.5
Musgrove, A.J.6
Hearn, R.D.7
Holloway, S.J.8
Banks, A.N.9
Austin, G.E.10
Griffin, L.R.11
Hughes, B.12
Kershaw, M.13
O'Connell, M.J.14
Pollitt, M.S.15
Rees, E.C.16
Smith, L.E.17
-
9
-
-
33846895969
-
-
Crowe, O., McElwaine, J.G., Worden, J., Watson, G.A., Walsh, A. & Boland, H. In press. Whooper Cygnus cygnus and Bewick's C. columbianus bewickii Swans in Ireland: results of the international Swan Census, January 2005. Irish Birds.
-
Crowe, O., McElwaine, J.G., Worden, J., Watson, G.A., Walsh, A. & Boland, H. In press. Whooper Cygnus cygnus and Bewick's C. columbianus bewickii Swans in Ireland: results of the international Swan Census, January 2005. Irish Birds.
-
-
-
-
10
-
-
0026340328
-
-
Dirksen, S. & Beekman, J.H. 1991. Population size, breeding success and distribution of Bewick's Swans Cygnus columbianus bewickii wintering in Europe in 1986-87. In J. Sears & P.J. Bacon (eds.), Proc. Third IWRB International Swan Symposium, Oxford 1989. Wildfowl Special Supplement No. 1: 120-124.
-
Dirksen, S. & Beekman, J.H. 1991. Population size, breeding success and distribution of Bewick's Swans Cygnus columbianus bewickii wintering in Europe in 1986-87. In J. Sears & P.J. Bacon (eds.), Proc. Third IWRB International Swan Symposium, Oxford 1989. Wildfowl Special Supplement No. 1: 120-124.
-
-
-
-
11
-
-
0342474819
-
Population composition, and return according to breeding status, of Bewick's Swans wintering at Slimbridge, 1963-1976
-
Evans, M.E. 1979. Population composition, and return according to breeding status, of Bewick's Swans wintering at Slimbridge, 1963-1976. Wildfowl 30: 118-128.
-
(1979)
Wildfowl
, vol.30
, pp. 118-128
-
-
Evans, M.E.1
-
12
-
-
20844436088
-
Numbers and distribution of wintering water birds in the Western Paleartic and Southwest Asia in 1997, 1998 and 1999
-
Wetlands International, Wageningen, The Netherlands
-
Gilissen, N., Haanstra, L., Delany, S., Boere, G. & Hagemeijer, W. 2002. Numbers and distribution of wintering water birds in the Western Paleartic and Southwest Asia in 1997, 1998 and 1999. Global Series No. 11, Wetlands International, Wageningen, The Netherlands.
-
(2002)
Global Series
, vol.11
-
-
Gilissen, N.1
Haanstra, L.2
Delany, S.3
Boere, G.4
Hagemeijer, W.5
-
14
-
-
33846927557
-
Scottish Bird
-
MacMillan, A.T. 1969. Scottish Bird Report 1968. Scottish Birds 5: 317.
-
(1969)
Scottish Birds
, vol.5
, pp. 317
-
-
MacMillan, A.T.1
-
15
-
-
0342474818
-
Bewick's Swans feeding on waste potatoes and other agricultural crops
-
Merne, O.J. 1972. Bewick's Swans feeding on waste potatoes and other agricultural crops. British Birds 65: 394-395.
-
(1972)
British Birds
, vol.65
, pp. 394-395
-
-
Merne, O.J.1
-
16
-
-
14044270353
-
-
BTO/WWT/RSPB/JNCC, Slimbridge
-
Pollitt, M.S., Hall, C., Holloway, S.J., Hearn, R.D., Marshall, P.E., Musgrove, A.J., Robinson, J.A. & Cranswick, P.A. 2003. The Wetland Bird Survey 2000-01: Wildfowl & Wader Counts. BTO/WWT/RSPB/JNCC, Slimbridge.
-
(2003)
The Wetland Bird Survey 2000-01: Wildfowl & Wader Counts
-
-
Pollitt, M.S.1
Hall, C.2
Holloway, S.J.3
Hearn, R.D.4
Marshall, P.E.5
Musgrove, A.J.6
Robinson, J.A.7
Cranswick, P.A.8
-
18
-
-
33846937883
-
-
T. & A.D. Poyser, London
-
Rees, E.C. 2006. Bewick's Swan. T. & A.D. Poyser, London.
-
(2006)
Bewick's Swan
-
-
Rees, E.C.1
-
19
-
-
33846936016
-
-
Rees, E.G. & Bacon, P.J. 1996. Migratory tradition in Bewick's Swans (Cygnus columbianus bewickii). In M. Birkan, J. van Vessem, P. Havet, J. Madsen, B. Troillet & M. Moser (eds.), Proc. Anatidae 2000 Conference, Strasbourg, France, 5-9 December 1994. Gibier Faune Sauvage, Game Wildlife 13: 407-420.
-
Rees, E.G. & Bacon, P.J. 1996. Migratory tradition in Bewick's Swans (Cygnus columbianus bewickii). In M. Birkan, J. van Vessem, P. Havet, J. Madsen, B. Troillet & M. Moser (eds.), Proc. Anatidae 2000 Conference, Strasbourg, France, 5-9 December 1994. Gibier Faune Sauvage, Game Wildlife 13: 407-420.
-
-
-
-
20
-
-
33745516916
-
Fifty years of swan research and conservation by the Wildfowl & Wetlands Trust
-
Rees, E.C. & Bowler, J.M. 1997. Fifty years of swan research and conservation by the Wildfowl & Wetlands Trust. Wildfowl 47: 248-263.
-
(1997)
Wildfowl
, vol.47
, pp. 248-263
-
-
Rees, E.C.1
Bowler, J.M.2
-
22
-
-
0030617868
-
Site selection by swans wintering in Britain and Ireland: The importance of geographical location and habitat
-
Rees, E.C., Kirby, J.S. & Gilburn, A. 1997b. Site selection by swans wintering in Britain and Ireland: the importance of geographical location and habitat. Ibis 139: 337-352.
-
(1997)
Ibis
, vol.139
, pp. 337-352
-
-
Rees, E.C.1
Kirby, J.S.2
Gilburn, A.3
-
23
-
-
33846925095
-
-
Robinson, J.A., Colhoun, K., McElwaine, G. & Rees, E.G. 2004. The Bewick's Swan Cygnus columbianus bewickii in Britain and Ireland 1960/61-1999/2000. Waterbird Review Series, The Wildfowl & Wetlands Trust/Joint Nature Conservation Committee, Slimbridge.
-
Robinson, J.A., Colhoun, K., McElwaine, G. & Rees, E.G. 2004. The Bewick's Swan Cygnus columbianus bewickii in Britain and Ireland 1960/61-1999/2000. Waterbird Review Series, The Wildfowl & Wetlands Trust/Joint Nature Conservation Committee, Slimbridge.
-
-
-
-
25
-
-
33846928982
-
-
th International Swan Symposium, 2001. Waterbirds 25 (Special Publ. 1): 100-113.
-
th International Swan Symposium, 2001. Waterbirds 25 (Special Publ. 1): 100-113.
-
-
-
-
26
-
-
33846930169
-
-
van Roomen, M., van Winden, E., Koffijberg, K., Boele, A., Hustings, F., Kleefstra, R., Schoppers, J., van Turnhout, C., SOVON Ganzen- en Zwanenwerkgroep & Soldaat, L. 2004. Watervogels in Nederland in 2002/03. SOVON Vogelonderzoek, The Netherlands. [In Dutch with limited English summary.]
-
van Roomen, M., van Winden, E., Koffijberg, K., Boele, A., Hustings, F., Kleefstra, R., Schoppers, J., van Turnhout, C., SOVON Ganzen- en Zwanenwerkgroep & Soldaat, L. 2004. Watervogels in Nederland in 2002/03. SOVON Vogelonderzoek, The Netherlands. [In Dutch with limited English summary.]
-
-
-
-
27
-
-
0242395440
-
Waterbird Population Estimates
-
Wetlands International, 3rd edition, Wetlands International, Wageningen, The Netherlands
-
Wetlands International. 2002. Waterbird Population Estimates, 3rd edition. Global Series No. 12, Wetlands International, Wageningen, The Netherlands.
-
(2002)
Global Series
, vol.12
-
-
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