1. Animal Demography Unit, Department of Biological Sciences University of Cape Town Cape Town South Africa
2. Marine Research (MA‐RE) Institute University of Cape Town Cape Town South Africa
3. FitzPatrick Institute of African Ornithology, DST‐NRF Centre of Excellence University of Cape Town Cape Town South Africa
4. Fisheries Management Branch Department of Agriculture, Forestry and Fisheries Cape Town South Africa
5. Oceans and Coasts Branch Department of Environmental Affairs Cape Town South Africa
6. Southern African Foundation for the Conservation of Coastal Birds (SANCCOB) Cape Town South Africa
7. Environment and Sustainability Institute University of Exeter Exeter UK
8. Bristol Zoological Society Bristol UK