1. Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
2. Giraffe Conservation Foundation, Windhoek 10009, Namibia
3. School of Biology and Environmental Science, University College Dublin, D04 V1W8 Dublin, Ireland
4. Project Sustainable Management of Biodiversity, Ministry of Environment and Sustainable Development, Niamey 920001, Niger
5. Wild Africa Conservation, Kouara Kano, BP32, Niamey 920001, Niger