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DISTRIBUTION, BIOMETRICS AND MOULT OF GURNEY'S SUGARBIRD <i>PROMEROPS GURNEYI</i>de Swardt, D. H. · Ostrich · 1992
THE SEASONAL MOVEMENTS OF GURNEY'S SUGARBIRD <i>PROMEROPS GURNEYI</i> IN THE LYDENBURG AREA, TRANSVAALDe Swardt, D. H. · Ostrich · 1991
First African Record of Leucocytozoon anellobiae (Apicomplexa: Leucocytozoidae) in Gurney's Sugarbird <i>Promerops gurneyi</i>Bennett, G. F.; de Swardt, D. H. · Ostrich · 1989
Timing of moult and breeding in the Cape White-eye, <i>Zosterops pallidus</i> , from three different geographical regions in South AfricaHulley, P. E.; Craig, A. J. F. K.; Underbill, G. D.; Bonnevie, B. T.; Nuttall, R. J.; de Swardt, D. H. · Emu - Austral Ornithology · 2004
TEMPERATURE VARIATION IN THE CATTLE EGRETSiegfried, W. R. · Ostrich · 1968
Short NotesGoodman, Steven M.; Parrillo, Phillip; Craig, A. J.F.K.; Tyler, Stephanie J.; Tyler, Lindsay; Akinpelu, A. I.; Herremans, Marc; Kyle, Robert; Ryan, Peter G. · Ostrich · 1997
VOCAL IMITATION BY SOUTHERN AFRICAN BIRDSVernon, C. J. · Ostrich · 1973
Heuristics in systematicsBock, Walter J. · Ostrich · 2000
Functional and evolutionary morphology of woodpeckersBock, Walter J. · Ostrich · 1999
SHORT NOTEHerremans, M.; Brown, C. J.; Borello, W. D.; Herremans-Tonnoeyr, D. · Ostrich · 1993
THE MACCOA DUCK <i>(OXYURA MACCOA</i> (Eyton))Clark, A. · Ostrich · 1964
Poster abstractsOstrich · 1998