1. Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, College of Life Sciences, Beijing Normal University, Beijing, China
2. Beijing Raptor Rescue Center, International Fund for Animal Welfare, Beijing, China
3. Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, College of Life Sciences, Beijing Normal University, Beijing, China and Beijing Raptor Rescue Center, International Fund for Animal Welfare, Beijing, China