1. Section of Behavioural Ecology, Ethology and Wildlife Management, Department of Environmental Sciences, Siena University, Siena, Italy
2. Office of the Adviser for Conservation of the Environment, Diwan of Royal Court, Muscat, Sultanate of Oman
3. Global Conservation Approach Team, The Nature Conservancy, Albany, NY, USA
4. National Avian Research Centre, Environmental Research and Wildlife Development Agency, Abu Dhabi, UAE