Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 3

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 4-6

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 6-7

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 7-8

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 8-10

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 10-11

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 11-16

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 16

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 17-20

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 20-21

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 21-24

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 24-27

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 27-29

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 29-31

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 31-32

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 33-35

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 35-38

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 39-41

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 42-43

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 44-48

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 52-60

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 62-67

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 67-68

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 68-69

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 69-71

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 72-73

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 73-74

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 74-76

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 78-81

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 81-83

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 83-85

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 85-86

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 86-88

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 89-92

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 94

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 95-96

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 96

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 100-103

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 103-104

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 104-105

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 108-109

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 109

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 110

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 112-115

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 116

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 121

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 129-130

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 137-139

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 139-144

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 151-159

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 159

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 160-162

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 162-165

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 165

Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 169-171