Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 86-94

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 144-147

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 148-159

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 162-163

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 1-5

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 5-6

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 6-7

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 8-11

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 11-15

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 15-20

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 21-33

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 33-35

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 36-39

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 40

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 41-47

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 47-48

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 48-50

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 50-54

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 54-56

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 56-60

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 66-71

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 71-73

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 73-75

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 75-76

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 76-77

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 81

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 82-86

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 95-96

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 96-97

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 97

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 98-100

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 101-102

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 103-112

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 112-115

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 115-120

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 121-122

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 122-123

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 123-124

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 124

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 125-131

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 131-140

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 141-143

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 143-144

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 160

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 161-162

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 163-166

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 166-168

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 168-170

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 171-172

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 172-173

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 173-174

Published in Bulletin of The British Ornithologists' Club, in 1966, in volume 86, pages 174-176