Published in Annali del Museo civico di storia naturale di Genova, in 1880, in volume 16, pages 62-82

Created: 2014-10-08, modified: 2014-10-08

Published in Transactions of The Linnean Society of London, in 1836, in volume 17, pages 375-395

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

Published in Bulletin of The African Bird Club, in 2012, in volume 19, issue 1, pages 65-68

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

Published in Bulletin of The African Bird Club, in 2005, in volume 12, issue 2, pages 158-161

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

Published in Bulletin of The African Bird Club, in 2012, in volume 19, issue 1, pages 47-51

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

Published in Proceedings of The Biological Society of Washington, in 2000, in volume 113, pages 731-738

Created: 2011-07-27, modified: 2011-07-27