Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 1-4
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 4-15
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 15-20
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 21-24
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 24-25
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 25-30
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 30-31
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 32-36
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 37-43
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 43-48
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 48-53
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 53-55
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 55-56
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 56
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 57-58
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 58-59
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 59-73
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 77-85
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 85-90
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 90-93
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 93-96
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 98-102
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 102-108
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 109
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 110-112
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 112
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 113-116
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 116-119
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 119-120
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 120-123
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 123-126
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 126-128
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 129-130
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 130-132
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 133-134
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 135
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 138-139
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 140-148
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 148-150
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 150-151
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 151-152
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 154-162
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 160-162
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 163-166
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 166-171
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 172
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Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, issue 2, pages 21
Created: 2015-08-29, modified: 2015-08-29