Published in Bulletin of The African Bird Club, in 2005, in volume 12, issue 2, pages 119-124
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/56213337,60,60)
Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 148-167
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51918036,60,60)
Published in Bulletin of The African Bird Club, in 1998, in volume 5, issue 1, pages 35-38
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51745624,60,60)
Published in Bulletin of The African Bird Club, in 2008, in volume 15, issue 2, pages 191-200
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51751694,60,60)
Published in Bulletin of The African Bird Club, in 2005, in volume 12, issue 1, pages 77
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/45651923,60,60)
Published in Scopus, in 2004, in volume 24, pages 41-45
Created: 2014-08-10, modified: 2014-08-10![](https://www.biodiversitylibrary.org/pagethumb/51751545,60,60)
Published in Bulletin of The African Bird Club, in 2008, in volume 15, issue 1, pages 77-81
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51753514,60,60)
Published in Bulletin of The African Bird Club, in 2007, in volume 14, issue 2, pages 208-209
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/53760392,60,60)
Published in Bulletin of the British Ornithologists' Club, in 2012, in volume 132, issue 1, pages 69-70
Created: 2018-07-03, modified: 2018-07-03![](https://www.biodiversitylibrary.org/pagethumb/56221058,60,60)
Published in Bulletin of The African Bird Club, in 2012, in volume 19, issue 2, pages 240-241
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51752187,60,60)
Published in Bulletin of The African Bird Club, in 2006, in volume 13, issue 1, pages 49-55
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51751671,60,60)
Published in Bulletin of The African Bird Club, in 2005, in volume 12, issue 1, pages 53-54
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51745648,60,60)
Published in Bulletin of The African Bird Club, in 2008, in volume 15, issue 2, pages 215-227
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51751784,60,60)
Published in Bulletin of The African Bird Club, in 2006, in volume 13, issue 2, pages 194-196
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/60528372,60,60)
Published in Bulletin of The African Bird Club, in 2016, in volume 23, issue 2, pages 210-211
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/56213927,60,60)
Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 2, pages 154-173
Created: 2018-10-08, modified: 2018-10-08![](https://www.biodiversitylibrary.org/pagethumb/50781207,60,60)
Published in Bulletin of the British Ornithologists' Club, in 2011, in volume 131, issue 3, pages 154-164
Created: 2018-10-08, modified: 2018-10-08![](https://www.biodiversitylibrary.org/pagethumb/51694925,60,60)
Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 17-30
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/51703711,60,60)
Published in Bulletin of The African Bird Club, in 2010, in volume 17, issue 1, pages 79-81
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/56212403,60,60)
Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 4, pages 352-353
Created: 2018-10-08, modified: 2018-10-08![](https://www.biodiversitylibrary.org/pagethumb/56188257,60,60)
Published in Bulletin of the British Ornithologists' Club, in 2015, in volume 135, issue 3, pages 224-239
Created: 2018-10-08, modified: 2018-10-08![](https://www.biodiversitylibrary.org/pagethumb/51696808,60,60)
Published in Bulletin of The African Bird Club, in 2001, in volume 8, issue 1, pages 57-58
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/41807957,60,60)
Published in Scopus, in 1991, in volume 14, pages 73-75
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/43036686,60,60)
Published in Scopus, in 1979, in volume 3, pages 14-18
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/43035764,60,60)
Published in Scopus, in 1978, in volume 2, pages 51-52
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/51747514,60,60)
Published in Bulletin of The African Bird Club, in 2003, in volume 10, issue 2, pages 125-126
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/40814870,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1965, in volume 85, pages 150-152
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/42640423,60,60)
Published in Scopus, in 1977, in volume 1, pages 73-78
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/40824911,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1979, in volume 99, pages 94-98
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40815879,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 157-164
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/43035804,60,60)
Published in Scopus, in 1978, in volume 2, pages 29-33
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/42640466,60,60)
Published in Scopus, in 1977, in volume 1, pages 112
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/40027278,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1990, in volume 110, pages 109-110
Created: 2012-12-02, modified: 2012-12-02![](https://www.biodiversitylibrary.org/pagethumb/40816798,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 72-73
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40816799,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 73-74
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/63255529,60,60)
Published in Alytes, in 2000, in volume 18, issue 1-2, pages 1-14
Created: 2024-05-04, modified: 2024-05-04![](https://www.biodiversitylibrary.org/pagethumb/40813791,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1964, in volume 84, pages 52-54
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40416174,60,60)
Published in Bulletin of The British Ornithologists' Club, in 2003, in volume 123, issue 2, pages 135-136
Created: 2015-08-11, modified: 2015-08-11![](https://www.biodiversitylibrary.org/pagethumb/40025841,60,60)
Published in Bulletin of The British Ornithologists' Club, in 2000, in volume 120, pages 260
Created: 2012-12-02, modified: 2012-12-02![](https://www.biodiversitylibrary.org/pagethumb/40816062,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1968, in volume 88, pages 130-132
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40416603,60,60)
Published in Bulletin of The British Ornithologists' Club, in 2002, in volume 122, issue 3, pages 228-230
Created: 2015-08-11, modified: 2015-08-11![](https://www.biodiversitylibrary.org/pagethumb/40025756,60,60)
Published in Bulletin of The British Ornithologists' Club, in 2000, in volume 120, pages 179-185
Created: 2012-12-02, modified: 2012-12-02![](https://www.biodiversitylibrary.org/pagethumb/40027055,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1989, in volume 109, pages 180-181
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40825084,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1981, in volume 101, pages 323-327
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40824903,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1979, in volume 99, pages 86-94
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40816811,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 85-86
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40816833,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1969, in volume 89, pages 103-104
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40055824,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1983, in volume 103, pages 59-64
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40814849,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1965, in volume 85, pages 133-135
Created: 2012-12-03, modified: 2012-12-03![](https://www.biodiversitylibrary.org/pagethumb/40025347,60,60)
Published in Bulletin of The British Ornithologists' Club, in 1999, in volume 119, pages 94-103
Created: 2012-12-02, modified: 2012-12-02