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