1. School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
2. World Parrot Trust, Hayle, United Kingdom
3. Ethiopian Wildlife and Natural History Society, Addis Ababa, Ethiopia
4. Department of Biological, Physical and Mathematical Sciences, University of Environment and Sustainable Development, Somanya, Ghana
5. Department of Zoology, Ornithology Section, National Museums of Kenya, Nairobi, Kenya
6. Department of Biology, Wolaita Sodo University, Sodo, Ethiopia
7. Consiglio Nazionale delle Ricerche, Istituto di Ricerca sugli Ecosistemi Terrestri, Sesto Fiorentino, Italy
8. Department of Biological Sciences, Malawi University of Science and Technology, Blantyre, Malawi
9. Namibian Chamber of Environment, Windhoek, Namibia
10. Independent researcher, Namibia
11. Independent researcher, Orkney, United Kingdom
12. Focus Area for Human Metabolomics, North-West University, Potchefstroom, South Africa
13. Division of Geography and Environmental Management, Manchester Metropolitan University, Manchester, United Kingdom
14. BirdLife Zimbabwe, Harare, Zimbabwe
15. FitzPatrick Institute of African Ornithology, University of Cape Town, Cape Town, South Africa