1. Department of Zoology, University of Lagos, Lagos, Nigeria
2. TETFUND Centre for Excellence in Biodiversity Conservation and Ecosystem Management, University of Lagos, Lagos, Nigeria
3. Department of Biological Sciences, Kaduna State University, Kaduna, Nigeria
4. Department of Biology, Lund University, Ecology Building, Lund, Sweden
5. Department of Zoology, University of Jos, Jos, Nigeria
6. AP Leventis Ornithological Research Institute, University of Jos, Jos, Nigeria
7. Center for Macroecology, Evolution and Climate, Globe Institute, University of Copenhagen, Copenhagen, Denmark