Affiliation: | 1. Conservation Ecology Research Unit, Department of Zoology and Entomology, University of Pretoria, , Hatfield, 0083 South Africa;2. ARC Centre of Excellence for Environmental Decisions, Centre for Biodiversity & Conservation Science, University of Queensland, , Brisbane, Qld, 4072 Australia;3. Elephants Without Borders, , Kasane, Botswana;4. San Diego Zoo Institute for Conservation Research, San Diego Zoo Global, , Escondido, CA, 92027 USA |