Published in Forktail, in 1998, in volume 14, pages 74-75

Created: 2019-05-12, modified: 2019-05-12

Published in Bulletin of The British Ornithologists' Club, in 1995, in volume 115, pages 164-166

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

Published in Forktail, in 2011, in volume 27, pages 109-111

Created: 2019-05-12, modified: 2019-05-12

Published in Bulletin of The British Ornithologists' Club, in 1995, in volume 115, pages 48-53

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

Published in Bulletin of The British Ornithologists' Club, in 2000, in volume 120, pages 209-212

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

Published in Scopus, in 2010, in volume 30, pages 56-59

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

Published in Atti Della Societa Italiana Di Scienze Naturali E Del Museo Civico Di Storia Naturale Di Milano, in 1993, in volume 133, issue 8, pages 97-100

Created: 2021-10-22, modified: 2021-10-22

Published in Journal of The Bombay Natural History Society, in 1995, in volume 92, issue 1, pages 114-115

Created: 2015-10-13, modified: 2015-10-13

Published in Bulletin of The African Bird Club, in 2005, in volume 12, issue 1, pages 37-39

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

Published in Journal of Raptor Research, in 2002, in volume 36, issue 3, pages 236-237

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 1998, in volume 32, issue 3, pages 267

Created: 2017-04-07, modified: 2017-04-07

Published in Annals of the Carnegie Museum, in 1999, in volume 68, issue 1, pages 1-14

Created: 2017-03-19, modified: 2017-03-19