Callan Cohen is a Ph.D. student at the Percy FitzPatrick Institute of African Ornithology at UCT, working on the evolution of the bustard family. He obtained his B.Sc. (Hons) in Avian Biology. He is Vice-Chairman of the Cape Bird Club. Claire Spottiswoode is a Doctoral student at Cambridge University, with a strong interest in evolutionary biology. Both authors have professionally ... Read moreled birding tours for the foreign market on a part-time basis. These activities keep them in the field throughout the year, and have afforded them intimate knowledge of the region's best birding sites. They are authors of Essential Birding, Western South Africa - Key Routes from Cape Town to the Kalahari (2000). Show Less