1. Environment and Sustainability Institute/Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom
2. Department of Environment, Forestry and Fisheries (DEFF), Cape Town, South Africa
3. African Penguin Conservation Project, Lüderitz, Namibia
4. DST-NRF Centre of Excellence at the FitzPatrick Institute of African Ornithology, Department of Biological Sciences, University of Cape Town, Cape Town, South Africa
5. Department of Zoology, Nelson Mandela University, Port Elizabeth, South Africa
6. Ministry of Fisheries and Marine Resources, Lüderitz, Namibia
7. Centre for Statistics in Ecology, Environment and Conservation (SEEC), Department of Statistical Sciences, University of Cape Town, Cape Town, South Africa