Published in Forktail, in 1998, in volume 14, pages 74-75
Created: 2019-05-12, modified: 2019-05-12![](https://www.biodiversitylibrary.org/pagethumb/40028937,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1995, in volume 115, pages 164-166
Created: 2012-12-02, modified: 2012-12-02![](https://www.biodiversitylibrary.org/pagethumb/58109748,60,60)
Published in Forktail, in 2011, in volume 27, pages 109-111
Created: 2019-05-12, modified: 2019-05-12![](https://www.biodiversitylibrary.org/pagethumb/40028811,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1995, in volume 115, pages 48-53
Created: 2012-12-02, modified: 2012-12-02![](https://www.biodiversitylibrary.org/pagethumb/40025790,60,60)
Published in Bulletin of The British Ornithologists' Club, in 2000, in volume 120, pages 209-212
Created: 2012-12-02, modified: 2012-12-02![](https://www.biodiversitylibrary.org/pagethumb/46804185,60,60)
Published in Scopus, in 2010, in volume 30, pages 56-59
Created: 2015-02-15, modified: 2015-02-15![](https://www.biodiversitylibrary.org/pagethumb/58403782,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/48613647,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/51751655,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/51326143,60,60)
Published in Journal of Raptor Research, in 2002, in volume 36, issue 3, pages 236-237
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51286622,60,60)
Published in Journal of Raptor Research, in 1998, in volume 32, issue 3, pages 267
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/52461758,60,60)
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