Petroglyphs from Drakensbergs of South Africa illustrating an early hunt with dogs in a manner perhaps analogous to that of the earliest hunter gatherers. Picture used with permission from Vinnicombe P. 1979. People of the Eland: Rock paintings of the Drakenbergs Bushmen as a reflection of their life and thought. Pietermaritzberg: University of Natal Press.
Driscoll and Macdonald Journal of Biology 2010 9:10 doi:10.1186/jbiol226