Authors:

Published in Bulletin of The British Ornithologists' Club, in 1941, in volume 61, pages 48-49

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

Authors: Hugh Whistler

Published in Bulletin of the British Ornithologists' Club, in 1941, in volume 62, pages 37-38

Created: 2013-01-29, modified: 2015-07-12