Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 3-40
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 41-45
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 46-54
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 55-59
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 60-63
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 63-65
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 65-68
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 69-70
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 70-72
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 75-83
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 84-101
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 102-115
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 116-123
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 124-127
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 128-132
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 2, pages 133-135
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Published in Bulletin of the British Ornithologists’ Club, in 2012, in volume 132, issue 2, pages 135
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 140-161
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 162-174
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 175-179
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 180-193
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 194-206
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 207-209
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 209-212
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 212-214
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 214-216
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 217-220
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 3, pages 222-224
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 226-235
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 236-250
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Published in Bulletin of the British Ornithologists’ Club, in 2012, in volume 132, issue 4, pages 251-259
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 260-269
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 270-276
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 277-282
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 283-294
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Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 295-298
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