Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 4-12

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 12-20

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 20-24

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 24-26

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 27-31

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 31-36

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 36-46

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 46-48

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 48-55

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 55-61

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 62-63

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 63-64

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 66-73

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 73-85

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 86-88

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 89-90

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 90-100

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 101-103

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 104-106

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 106-113

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 113-123

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 124-127

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 127-128

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 128

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 130

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 131-132

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 132-134

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 144-149

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 149-162

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 162-170

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 170-173

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 174-176

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 176-181

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 182-192

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 192-202

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 202-205

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 206-207

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 207-208

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 211-224

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 224-229

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 230-231

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 232-243

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 244-248

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 249-258

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 259-263

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 264-267

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 267-274

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 274-278

Published in Bulletin of The British Ornithologists' Club, in 1994, in volume 114, pages 278-279