Affiliation: | 1. Department of Ecology and Environmental Sciences, Umeå University, SE-901 87 Umeå, Sweden;2. École Normale Supérieure, Formation Interuniversitaire de Biologie, 46 rue d''Ulm, FR-75230 Paris cedex 05, France;3. Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden;4. Centre for African Conservation Ecology, Department of Zoology, Nelson Mandela Metropolitan University, PO Box 77000, Port Elizabeth, 6031, South Africa |