1. a Albany Museum , Somerset Street, Grahamstown, 6140
2. b The Lakes Nature Conservation Station , Private Bag 6546, George, 6530, South Africa
3. c Department of Zoology , University of the Witwatersrand , 1 Jan Smuts Avenue, Johannesburg, 2001, South Africa
4. d South African Museum , P. O. Box 61, Cape Town, 8000
5. e Vulture Study Group , Endangered Wildlife Trust , P.O. Box 4190, Johannesburg, South Africa , 2000
6. f South African Museum , P. O. Box 61, Cape Town, 8000
7. g Percy FitzPatrick Institute of African Ornithology , University of Cape Town , Ronde-bosch, South Africa , 7700
8. h Percy FitzPatrick Institute of African Ornithology , University of Cape Town , Rondebosch, 7700, South Africa
9. i Dept. of Biology , George Mason University , Fairfax, Virginia, 22030, U.S.A.
10. j FitzPatrick Institute , University of Cape Town , Rondebosch, 7700, South Africa
11. k Sea Fisheries Research Institute , Private BagX2, Roggebaai, 8012, South Africa