中文摘要：

2005年3-4月，对云南省临沧地区澜沧江自然保护区的鸟类资源进行了调查。通过观察和网捕调查，共计采集记录105种鸟类。结合中国科学院昆明动物研究所鸟类标本室收藏的临沧地区的207种鸟类标本，以及该地区的有关文献资料记录的84种，保护区内共有396种鸟类，隶属55科（另4亚科）19目，占云南省所录鸟类种数848种的47％，全国鸟类种数1331种的30％。其中国家一级保护物种2种，二级保护物种39种。保护区内记录的鸟类有留鸟307种，占所录鸟类的78％。区系成分以东洋界物种为主，有292种，占繁殖鸟类总种数的83％。亚区级区系分析表明保护区内的鸟类以滇南山地亚区和西南山地亚区的种类为主，前者成分稍多于后者，说明该地区处于由滇南山地亚区向西南山地亚区过渡的地带。结合该区鸟类垂直分布的特点，提出应加强对原生及次生阔叶林的保护，尤其是对成熟次生林的保护，因为它们对保存该保护区的大多数物种具有重要的价值。

英文摘要：

A survey of birds in Lancang River Nature Reserve in western Yunnan of China was conducted from March to April in 2005. 105 species were collected in the survey by mist nets and observation. Combined with 207 species specimens from Lincang area which are kept in KIZ, CAS and published records of 84 species, there are 396 species be longing to 55 families and 19 orders in the nature reserve. The number of species accounts for 47 % of 848 species in Yunnan and 30 % of 1331 species in China, including 2 Class Ⅰ national protected species and 39 Class Ⅱ national protected species. There are 307 species residing in the region, which accounts for 78 % of total species in the region. The composition of avifanna is mostly Oriental species. 292 Oriental species account for 83 % of breeding birds in the area. A further analysis of avifauna suggests birds of the region are mostly from Diannan Hilly Subregion, but birds from South-West Mountainous Subregion are nearly as much as those from Diannan Hilly Subregion. The distribution character of birds in vertical orientation indicates an intensive protection is in need to the primary and secondary broad-leaved forests, especially to the mature secondary forests, which plays an important role to conserve most species in the region.