Among 55 species of breeding birds,38 species(69.1%) are Palaearctic ones,indicating that Palaearctic species is the major component in the avifauna.

 
  • 55种繁殖鸟类中古北种有38种;占繁殖鸟总数的69.;1%25;区系上明显以古北界成分为主。
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