1. Group of Ecology and Animal Demography (GEDA), Mediterranean Institute for Advanced Studies (IMEDEA, CSIC-UIB), Esporles, Spain
2. Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
3. Environment and Sustainability Institute, University of Exeter, Penryn, Cornwall, United Kingdom
4. Marine Research Institute, Department of Biological Sciences, University of Cape Town, Cape Town, South Africa
5. Institute of Ecology and Environmental Sciences, Evolutionary Ecophysiology Team, University Pierre et Marie Curie, Paris, France
6. Statistics in Ecology, Environment and Conservation, Department of Statistical Sciences, and African Climate and Development Initiative, University of Cape Town, Cape Town, South Africa