Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, pages 33-45

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 7-24

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 24-33

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 46-47

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 48-51

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 52-57

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 57-59

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 59-61

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 1, pages 62-64

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 78-90

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 90-103

Published in Bulletin of the British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 103-112

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 113-125

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 125-129

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 130-135

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 135-136

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 3, pages 153

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 3, pages 154-177

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 3, pages 181-186

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 3, pages 186-190

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 3, pages 190-207

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 3, pages 207-208

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 210

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 212-215

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 215-220

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 220-227

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 227-236

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 239-250

Published in Bulletin of the British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 257-261

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 4, pages 280-285

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 1-360

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 7-25

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 26-34

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 35-51

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 52-64

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 65

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 66-94

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 95-113

Published in Bulletin of the British Ornithologists' Club, in 2003, in volume 123A, pages 114-135

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 136-164

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 165-176

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 177-185

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 186-196

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 197-206

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 207-225

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 226-233

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 234-245

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 246-248

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 249-252

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 253-337

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 338-354

Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123A, pages 355-360