Authors: Josef Schmitz | Jeffrey Dean | Thomas Kindermann | Michael Schumm | Holk Cruse

Published in Biol Bull, in 2001, in volume 200, pages 195-200

Created: 2010-01-07, modified: 2011-06-21

Authors: Richard Cruse

Published in Bulletin of The African Bird Club, in 2004, in volume 11, issue 2, pages 147-148

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