Faunistic composition analysis showed that geographic units in Anhui Province could be divided into two groups along a boundary from northern Dabie Mountain to Chaohu Lake.

• 基于分布型物种数的地理单元聚类分析结果表明, 安徽省鸟类地理分布区大致以大别山北缘-巢湖一线为界分为两大组, 两组在区系成分上存在较大的区域分异;