中国的西南山地主要以横断山为主体,西起西藏东南部,横亘川西地区,北达青海与甘肃南部,向南延伸至云南中部和北部,东与成都盆地接壤,复杂的地理和气候条件造就了这里独特的生物和文化多样性。复杂地形与有利湿润条件的结合致使这里的生物极其丰富,拥有大量的特有动植物物种。因此,西南山地地区的鸟类也是非常的丰 China’s southwestern mountainous region is mainly composed of Hengduan Mountains, which runs from the southeast of Tibet to the west of Sichuan, the north of Qinghai and the south of Gansu, extends southward to the central and northern parts of Yunnan, bordering the Chengdu Basin in the east and its complex geography and climatic conditions Here the unique biological and cultural diversity. The combination of complex terrains and favorable moist conditions makes the area extremely rich and has a large number of endemic plant and animal species. Therefore, the birds in the southwest mountainous area are also very rich