Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 3-5
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 8-10
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 10-12
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 12-17
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 17-19
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 21-26
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 26-27
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 27-28
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 28-29
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 33
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 34-35
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 35-36
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 37-43
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 43-45
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 45-46
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 46-47
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 47-48
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 48-49
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 49-50
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 51-52
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 52-54
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 54-56
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 56
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 57-62
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 62-66
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 66-70
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 71-73
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 78-81
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 82-85
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 95-96
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 103-105
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 108-111
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 111-112
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 114-117
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 132-133
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 134-141
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 141-143
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 144-145
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 147-148
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 148-149
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 149-150
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 153-156
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 156-163
Created: 2012-12-03, modified: 2012-12-03
Published in Bulletin of The British Ornithologists' Club, in 1961, in volume 81, pages 164
Created: 2012-12-03, modified: 2012-12-03
Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 168-172
Created: 2012-12-03, modified: 2012-12-03