Published in Bulletin of The African Bird Club, in 2006, in volume 13, issue 1, pages 28-36

Created: 2021-02-23, modified: 2021-02-23

Published in Bulletin of The British Ornithologists' Club, in 2004, in volume 124, pages 233-239

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

Published in Bulletin of The African Bird Club, in 1996, in volume 3, issue 1, pages 34-36

Created: 2021-02-10, modified: 2021-02-10

Published in Scopus, in 2009, in volume 29, pages 1-6

Created: 2015-02-15, modified: 2015-02-15

Published in Bulletin of The African Bird Club, in 2008, in volume 15, issue 2, pages 180-190

Created: 2021-02-23, modified: 2021-02-23

Published in Bulletin of The African Bird Club, in 2016, in volume 23, issue 1, pages 27-45

Created: 2021-02-23, modified: 2021-02-23

Published in Bulletin of The African Bird Club, in 2015, in volume 22, issue 2, pages 148-161

Created: 2021-03-24, modified: 2021-03-24