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By: Benson, C. W. (Constantine Walter), - Boulton, Rudyerd, - Irwin, Michael P. Stuart
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 3--5
Publication info: London, British Ornithologists' Club, 1893-
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By: Benson, C. W. (Constantine Walter), - Irwin, Michael P. Stuart
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 8--10
Publication info: London, British Ornithologists' Club, 1893-
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By: Clancey, P. A. (Phillip Alexander), - Williamson, Kenneth
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 10--12
Publication info: London, British Ornithologists' Club, 1893-
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By: Harrison, J G
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 12--17
Publication info: London, British Ornithologists' Club, 1893-
-
By: Clancey, P. A. (Phillip Alexander),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 17--19
Publication info: London, British Ornithologists' Club, 1893-
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By: Finnis, R G
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 21--26
Publication info: London, British Ornithologists' Club, 1893-
-
By: Vaurie, Charles
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 26--27
Publication info: London, British Ornithologists' Club, 1893-
-
By: Ripley, S. Dillon
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 27--28
Publication info: London, British Ornithologists' Club, 1893-
-
By: Smith, K D
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 28--29
Publication info: London, British Ornithologists' Club, 1893-
-
By: Parkes, K G
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 33--33
Publication info: London, British Ornithologists' Club, 1893-
-
By: Clancey, P. A. (Phillip Alexander),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 34--35
Publication info: London, British Ornithologists' Club, 1893-
-
By: Clancey, P. A. (Phillip Alexander), - Winterbottom, J. M.
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 35--36
Publication info: London, British Ornithologists' Club, 1893-
-
By: Johnsgard, Paul A
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 37--43
Publication info: London, British Ornithologists' Club, 1893-
-
By: Traylor, Melvin A. (Melvin Alvah),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 43--45
Publication info: London, British Ornithologists' Club, 1893-
-
By: Hall, B. P. (Beryl Patricia)
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 45--46
Publication info: London, British Ornithologists' Club, 1893-
-
By: Winterbottom, J. M.
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 46--47
Publication info: London, British Ornithologists' Club, 1893-
-
By: Harrison, C J O
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 47--48
Publication info: London, British Ornithologists' Club, 1893-
-
By: Pitman, Charles Charles Robert Senhouse Pitman
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 48--49
Publication info: London, British Ornithologists' Club, 1893-
-
By: Sage, Bryan L. - Lawson, T R
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 49--50
Publication info: London, British Ornithologists' Club, 1893-
-
By: Keve, Andrew, - Kohl, S T E P H E N
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 51--52
Publication info: London, British Ornithologists' Club, 1893-
-
By: Clancey, P. A. (Phillip Alexander),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 52--54
Publication info: London, British Ornithologists' Club, 1893-
-
By: Lawson, W J
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 54--56
Publication info: London, British Ornithologists' Club, 1893-
-
By: Clancey, P. A. (Phillip Alexander),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 56--56
Publication info: London, British Ornithologists' Club, 1893-
-
By: Pitman, Charles Charles Robert Senhouse Pitman
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 57--62
Publication info: London, British Ornithologists' Club, 1893-
-
By: Voous, K. H. (Karl Hendrik)
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 62--66
Publication info: London, British Ornithologists' Club, 1893-
-
By: Horvath, L
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 66--70
Publication info: London, British Ornithologists' Club, 1893-
-
By: Lawson, W J
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 71--73
Publication info: London, British Ornithologists' Club, 1893-
-
By: Pitman, Charles Charles Robert Senhouse Pitman
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 78--81
Publication info: London, British Ornithologists' Club, 1893-
-
By: Simpson, C David
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 82--85
Publication info: London, British Ornithologists' Club, 1893-
-
By: Ash, J. S.
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 95--96
Publication info: London, British Ornithologists' Club, 1893-
-
By: Harrison, James M. - Harrison, Jeffery G.
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 103--105
Publication info: London, British Ornithologists' Club, 1893-
-
By: Hall, B. P. (Beryl Patricia)
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 108--111
Publication info: London, British Ornithologists' Club, 1893-
-
By: Comins, Derek M.
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 111--112
Publication info: London, British Ornithologists' Club, 1893-
-
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 114--117
Publication info: London, British Ornithologists' Club, 1893-
-
By: Clancey, P. A. (Phillip Alexander), - Lawson, W J
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 128--131
Publication info: London, British Ornithologists' Club, 1893-
-
By: Hall, B. P. (Beryl Patricia)
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 132--133
Publication info: London, British Ornithologists' Club, 1893-
-
By: Marchant, S
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 134--141
Publication info: London, British Ornithologists' Club, 1893-
-
By: Harrison, C J O
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 141--143
Publication info: London, British Ornithologists' Club, 1893-
-
By: Chapin, James P. (James Paul),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 144--145
Publication info: London, British Ornithologists' Club, 1893-
-
By: Clancey, P. A. (Phillip Alexander),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 147--148
Publication info: London, British Ornithologists' Club, 1893-
-
By: Pitman, Charles Charles Robert Senhouse Pitman
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 148--149
Publication info: London, British Ornithologists' Club, 1893-
-
By: Lawson, W J
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 149--150
Publication info: London, British Ornithologists' Club, 1893-
-
By: Beer, J. V. - Storey, G W
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 153--156
Publication info: London, British Ornithologists' Club, 1893-
-
By: Benson, C. W. (Constantine Walter), - Pitman, Charles Charles Robert Senhouse Pitman
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 156--163
Publication info: London, British Ornithologists' Club, 1893-
-
By: Traylor, Melvin A. (Melvin Alvah),
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 164--164
Publication info: London, British Ornithologists' Club, 1893-
-
By: Harrison, James M. - Harrison, Jeffery G.
Type: Article
In: Bulletin of the British Ornithologists' Club
Volume: 81
Date: 1961
Page Range: 168--172
Publication info: London, British Ornithologists' Club, 1893-