Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 17-30

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 31-39

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 40-60

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 61-67

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 68-73

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 74-75

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 76

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 77-78

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 79-80

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 81-82

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 83-85

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 1, pages 86-92

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 148-167

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 168-173

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 174-181

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 182-192

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 193-198

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 199-202

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 203-206

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 207-210

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 211-215

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 215-216

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 218-220

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 221-222

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 223-225

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 226-227

Published in Bulletin of The African Bird Club, in 2011, in volume 18, issue 2, pages 247-248