Published in Bulletin of The African Bird Club, in 2009, in volume 16, issue 1, pages 83-86

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

Published in Bulletin of The African Bird Club, in 2012, in volume 19, issue 2, pages 211-212

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

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 Report. U. S. Geol. Surv. W of 100th Merid, in 1875, in volume 5, pages 843-908

Created: 2011-06-03, modified: 2011-06-21