中文摘要：

2009年7～8月对青藏铁路沿线格拉段青海境内尤其是可可西里保护区段的夏季鸟类进行了调查。结合历史记录,该地区共计50种鸟类。其中留鸟29种,夏候鸟20种,迷鸟1种,国家一级保护动物3种,为黑颈鹤Grus nigricollis、胡兀鹫Gypaetus barbatus、金雕Aquila chrysaetos;国家二级保护动物7种,为猎隼Falco cherrug、燕隼F.subbuteo、红隼F.tinnunculus、游隼F.peregrinus、秃鹫Aegypius monachus、鸢Milvus migrans、大鵟Buteo hemilasius。铁路沿线的鸟类中,优势种为棕颈雪雀Montifringillla ruficollis和地山雀Pseudopodoces humilis,分别占发现总数量（349只）的23.2%和12.0%;常见种包括渡鸦Corvuscorax（7.4%）、赤麻鸭Tadorna ferruginea（7.2%）、白斑翅雪雀M.nivalis（6.9%）、棕背雪雀M.blandfordi（6.3%）以及斑头雁Anser indicus（6.0%）。

英文摘要：

From July to August in 2009, a survey of summer birds along the Qinghai section of the Qinghai-Tibet Railway, especially the section in Hoh-xil National Nature Reserve, was conducted. A total of 50 bird species, along with historical records, were recorded in this area. Of them, 29 species were residents, 20 summer migrant species, and 1 vagrant. Three species, the black-necked crane （Grus nigricollis）, bearded vulture （Gypaetus barbatus ）, and golden eagle （Aquila chrysaetos ）, are listed as categrory I of the national key protected animals, and 7 species including the saker falcon （ Falco cherrug）, hobby （ F. subbuteo ） , common kestrel （ F. tinnunculus ） , peregrine falcon （ F. peregrinus ） , cinereous vulture （ Aegypius monachus）, black kite （Milvus migrans）, and upland buzzard （Buteo hemilasius） are category Ⅱ of national key protected animals. Of the birds along the railway line, nffous-necked snowfinch （Montifringillla ruficollis） and Hume＇s ground tit （Pseudopodoces humilis） are dominant species, each accounting for 23.2% and 12.0% of the total number respectively. The common species includes the common raven （Corvus corax） （7.4%）, ruddy shelduck （Tadornaferruginea） （7.2%）, white-winged snowfinch （M. nivalis） （6.9%）, Slanford＇s snowfineh （M. blandfordi） （6.3%）, and bareaded goose （Auser indicus） （6.0%）.