Mark A. Jurisevic, Ken J. Sanderson, A Comparative Analysis of Distress Call Structure in Australian Passerine and Non-Passerine Species: Influence of Size and Phylogeny, Journal of Avian Biology, Vol. 29, No. 1 (Mar., 1998), pp. 61-71
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Jurisevic et al. (1998) studied this question.
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