1. SARCHI Chair on Biodiversity Value and Change, School of Mathematical and Natural Sciences, University of Venda, Thohoyandou, South Africa; and Unit for Environmental Sciences and Management, North-West University, Potchefstroom Campus, Potchefstroom, South Africa
2. Department of Biological Sciences, University of Swaziland, Kwaluseni, Swaziland; and Mammal Research Institute, University of Pretoria, Pretoria, South Africa
3. Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
4. Endangered Wildlife Trust, Modderfontein, South Africa
5. Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa
6. Tanzanian Bird Atlas Project, Iringa, United Republic of Tanzania
7. Organisation of Biodiversity Information and Conservation in Congo Kinshasa, Kinshasa, Democratic Republic of Congo
8. BirdLife Zimbabwe, Harare, Zimbabwe
9. National Museums of Kenya and Nature Kenya, Nairobi, Kenya
10. Zambian Wildlife Authority, Lusaka, Zambia
11. Nature Uganda, Kampala, Uganda
12. BirdLife International, Africa Partnership Secretariat, Nairobi, Kenya