Published in Bulletin of The British Ornithologists' Club, in 2008, in volume 128, issue 1, pages 3-16
Created: 2015-08-11, modified: 2015-08-11
Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 226-235
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 4, pages 348-351
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of The British Ornithologists' Club, in 2010, in volume 130, issue 2, pages 132-140
Created: 2015-05-17, modified: 2015-05-17
Published in Bulletin of The African Bird Club, in 2002, in volume 9, issue 2, pages 110-121
Created: 2021-02-23, modified: 2021-02-23
Published in Bulletin of The British Ornithologists' Club, in 1996, in volume 116, pages 180-186
Created: 2012-07-01, modified: 2012-07-01
Published in Bulletin of The British Ornithologists' Club, in 2010, in volume 130, issue 4, pages 286-301
Created: 2015-05-17, modified: 2015-05-17
Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 1, pages 95-96
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of the British Ornithologists' Club, in 2011, in volume 131, issue 4, pages 270-291
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 3, pages 216-223
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 4, pages 260-269
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 1, pages 87-91
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of The British Ornithologists' Club, in 2009, in volume 129, issue 3, pages 129-148
Created: 2015-05-17, modified: 2015-05-17
Published in Bulletin of The African Bird Club, in 2006, in volume 13, issue 2, pages 136-146
Created: 2021-02-23, modified: 2021-02-23
Published in Bulletin of the British Ornithologists' Club, in 2014, in volume 134, issue 3, pages 194-223
Created: 2018-10-08, modified: 2018-10-08
Published in Bulletin of The British Ornithologists' Club, in 2009, in volume 129, issue 4, pages 222-228
Created: 2015-05-17, modified: 2015-05-17