Published in Proceedings of the United States National Museum, in 1968, in volume 124, issue 3629, pages 1-8

Created: 2013-01-30, modified: 2014-03-28

Published in Bulletin of the British Ornithologists' Club, in 2009, in volume 129, issue 1, pages 63-64

Created: 2015-05-17, modified: 2015-05-17

Published in Zoosystema, in 1999, in volume 21, issue 3, pages 573-580

Created: 2018-07-08, modified: 2020-05-07

Published in Bulletin of The British Ornithologists' Club, in 2000, in volume 120, pages 146-148

Created: 2012-12-02, modified: 2012-12-02

Published in Bulletin of the British Ornithologists' Club, in 2010, in volume 130, issue 3, pages 166-180

Created: 2015-05-17, modified: 2015-07-13

Published in Bull. Brit. Orn. CI., in 1975, in volume 95, pages 41-45

Created: 2014-03-28, modified: 2014-03-28

Published in Bulletin of The British Ornithologists' Club, in 1986, in volume 106, issue 1, pages 32-40

Created: 2012-09-16, modified: 2015-09-02

Published in Bulletin of The British Ornithologists' Club, in 1982, in volume 102, pages 18-20

Created: 2012-12-03, modified: 2014-11-20

Published in Bulletin of The British Ornithologists' Club, in 1982, in volume 102, pages 94-95

Created: 2012-12-03, modified: 2012-12-03