Map of zoogeographical regions of China and adjacent areas. Abbreviations: NEC, Northeast China; NC, North China; NX, Nei Mongol-Xinjiang; QT, Qinghai-Tibet; SWC, Southwest China; CC, Central China; SC, South China; TW, Taiwan; RFE, Russian Far East; VM, Vietnam, Laos, Thailand, Cambodia, Myanmar, Bhutan, Bangladesh and part of Indian.