Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 4-9
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 29-43
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 54-58
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 79-87
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 87-91
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 91-93
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 101-103
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 127-131
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 136-139
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 141-144
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, issue 4, pages 159-169
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 12
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 13-14
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 18-19
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 22-27
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 27-28
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 43-50
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 52-54
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 58-61
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 70-71
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 71-75
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 75-79
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 93-98
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 100
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 103-112
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 112-120
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 125-127
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 139-141
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 144-147
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 147-150
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 154-159
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 169-172
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 175-176
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 179-182
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 182-184
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 184-185
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 186-187
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 187-193
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 195-206
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 20-22
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, issue 1, pages 9-12
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 64-68
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 68-70
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 62-64
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 120-125
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, issue 3, pages 132-135
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 135-136
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 193-194
Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 177-179