Published in: Ostrich: Journal of African Ornithology
Volume 62, issue 1-2, 1991 , pages: 73–88
DOI: 10.1080/00306525.1991.9639643
Author(s): Ron Hartley, Zimbabwe, Bill HeinrichThe Peregrine Fund Inc., U.S.A., D. PeplerDepartment of Nature Conservation, South Africa, C.C. Tait, South Africa, B. Bruderer, Switzerland, A.R. Jenkins,, S.T. WagnerTransvaal Falconry Club,, I. HoffmanTransvaal Falconry Club,, L., R. J. Vanherck, South Africa, A.J. Armstrong, South Africa, AlanC. KempDepartment of Birak,, MegI. KempDepartment of Birak,, P.J. Seddon, South Africa, Y. van Heezik, South Africa, Peter Steyn,, D.O. Chalton,, W., R.J. Dean, South Africa, R.K. Brooke, South Africa


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