Authors: Callan Cohen | Peter G Ryan | Marcell Claasen | Claver Ntoyinka

Published in Bulletin of The African Bird Club, in 2010, in volume 17, issue 2, pages 229-238

Created: 2021-02-23, modified: 2025-12-17

Authors: D J B Killick | C G T Claasen

Published in Bothalia, in 1969, in volume 10, issue 1, pages 67-69

Created: 2026-04-05, modified: 2026-04-05

Authors: M Isabella Claasen

Published in Bothalia, in 1977, in volume 12, issue 2, pages 239-245

Created: 2025-10-05, modified: 2025-10-05

Authors: Francisco Hita Garcia | Georg Fischer | Patrick Kück | Birthe Thormann | Marcell K Peters

Published in Bonn zoological bulletin, in 2010, in volume 57, issue 2, pages 359-366

Created: 2014-05-20, modified: 2014-05-20