1. Department of Conservation Management, Faculty of Science, Nelson Mandela University, George, South Africa
2. REHABS International Research Laboratory, CNRS-UCBL-NMU, Nelson Mandela University, George, South Africa
3. Department of Biodiversity and Conservation Biology, University of the Western Cape, Bellville, South Africa
4. Southern African Foundation for the Conservation of Coastal Birds (SANCCOB), Cape Town, South Africa
5. School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa