Published in Bulletin of The British Ornithologists' Club, in 1949, in volume 69, pages 50-56

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1949, in volume 69, pages 56-57

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of the British Ornithologists' Club, in 1949, in volume 69, pages 70-71

Created: 2020-11-22, modified: 2020-11-22

Published in Bulletin of The British Ornithologists' Club, in 1949, in volume 69, pages 74-76

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of the British Ornithologists' Club, in 1949, in volume 69, pages 83-84

Created: 2020-11-22, modified: 2020-11-22

Published in Bulletin of the British Ornithologists' Club, in 1949, in volume 69, pages 104-108

Created: 2013-01-29, modified: 2013-01-29