1. College of Wildlife Resources, Northeast Forestry University, Hexing Road 26, Harbin, People's Republic of China 150040;
2. Key Laboratory of Wildlife Conservation, China State Forestry Administration, Harbin, People's Republic of China 150040;
3. Foping National Nature Reserve, Huangjiawan Road 89, Foping County, Hanzhong Shaanxi, People's Republic of China 723400;