广西十万大山地区鸟类区系考察初报

A Preliminary Study of the Avifauna of the Shiwan Dashan Mountains Regions of Guangxi

1999年 1月至 2 0 0 0年 9月 ,作者在不同季节对十万大山地区的南坡防城市和北坡上思县等地进行了鸟类资源考察。按照不同的生境设样带考察、路线调查及网捕和猎捕。本次考察共获得鸟类标本5 0 6号 ,分属于 8目 2 0科 83种 ,加上以往的文献记载 ,该地区总计有鸟类 1 2目 2 5科 1 1 5种。其中东洋界鸟类 1 0 3种 ,古北界鸟类 3种 ,广布种 9种 ;繁殖鸟类 94种 (包括留鸟和夏候鸟 ) ,冬候鸟和旅鸟 2 1种。约占广西省鸟类总数的 2 5 5 % (4 5 1种[4] ) ,约占全国鸟类总数的 8 7% (1 3 1 9种[12 ] )。该区域有国家二级保护鸟类 1 1种 ,广西省重点保护鸟类 2 9种。鸟类以东洋界成分为主 ,它们主要分布并活动于阔叶林、人工林、竹林、灌丛、村庄、草坡、农田以及溪流水边等生境 。

A survey of birds in the Shiwan Dashan mountains region of Guangxi was conducted from January 1999 to September 2000 506 specimens of birds belonging to 8 orders, 20 families and 83 species were collected during this period. Combined with the published records, this region has 115 species belonging to 12 orders and 25 families. Among these,103 species are distributed in the Oriental realm, 3 species in the Palaeartic realm and 9 species are widely distributed. 94 species breed in the region (including residents and summer breeders) and 21 either winter there or are transient migrants, which account for 25 5% of total species in Guangxi Zhuang Aut. Reg. There are 11 Category II Nationally Protected Species and 29 species with Guangxi Provincial Protected status. The species were found to be mainly distributed in broad leaved forests, man made forests, bamboo forests, bushes, villages, grassland on hillsides, cultivated land and streams.