Barnard, Phoebe Elizabeth2014-12-082014-12-082014-12-08http://hdl.handle.net/10539/15908A thesis submitted to the Faculty of Science University of the Witwatersrand, Johannesburg in fulfillment of the requirements for the degree of Aster of Science Johannesburg, January 1389enComparative mating system and reproductive ecology of the African whydahs (Vidua)Thesis