Among the main phenetic characters, the length of wing, lower bill, tail feathers and tarsus, bill width, body weight and body length and so on are more important with the help of R-analysis, which represent the variation oritentation among these taxa.

• 用R分析法结合主成分分析划分该属鸟类的一些重要数量性状并作出评价；同时发现在蝗莺属的分类过程中；翼长、下喙长、尾长、附跖长、嘴宽、体重、体长等7个性状较为重要；它们分散在各性状组；代表着蝗莺属各个类群之间分化和差异的方向.