[Chen, Haochun; Xiang, Zuofu] Cent South Univ Forestry & Technol, Coll Life Sci & Technol, Changsha 410004, Peoples R China.
[Yao, Hui] Shennongjia Natl Pk, Shennongjia Forest Dist, Shennongjia 442411, Hubei, Peoples R China.
[Ruan, Xiangdong; Xiang, Zuofu] Acad Forest Inventory & Planning State Forestry &, Beijing 100714, Peoples R China.
[Wallner, Bernard] Univ Vienna, Dept Behav Biol, Fac Life Sci, A-1090 Vienna, Austria.
[Ostner, Julia] Univ Gottingen, Dept Behav Ecol, Kellnerweg 6, D-37077 Gottingen, Germany.