Department of Psychology, University of Alberta, Edmonton, Alberta T6G 2E9, Canada.
J Acoust Soc Am. 2010 Feb;127(2):1116-23. doi: 10.1121/1.3277247.
The tseet contact call, common to both black-capped and mountain chickadees, is among the most frequently produced call of each species, but has remained little studied until now. In the current study, the authors characterized the tseet call of adult allopatric and sympatric black-capped and mountain chickadees in terms of nine acoustic features in a fashion similar to descriptive accounts of both species' chick-a-dee calls. Summary statistics, the potential for individual coding, and classification by linear discriminant analysis were used to describe the tseet call. The authors were able to correctly classify tseet calls in terms of which group or individual produced it with high accuracy. Furthermore, several acoustic features are highly individualized, indicating that the chickadees may use these features to identify signalers as individuals or members of a particular group.
山雀的 tsee 接触鸣叫，黑顶山雀和高山山雀都有，是这两个物种最常发出的叫声之一，但直到现在，这种叫声仍很少被研究。在当前的研究中，作者在九个声学特征方面对成年异地和同域黑顶山雀和高山山雀的 tsee 鸣叫进行了描述，其方式类似于对这两个物种的 chica-dee 鸣叫的描述性说明。摘要统计、个体编码的可能性以及线性判别分析的分类用于描述 tsee 鸣叫。作者能够以很高的准确率根据产生鸣叫的群体或个体对 tsee 鸣叫进行正确分类。此外，几个声学特征具有高度的个体性，这表明山雀可能会使用这些特征来识别信号发出者是个体还是特定群体的成员。
