Correlation of song frequency and body weight in passerine birds
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- Wallschläger, D. Experientia (1980) 36: 412. doi:10.1007/BF01975119
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Frequency analysis of the songs of 90 European passerine species shown a correlation with body weight. In a number of species a dependence on habitat was found.
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© Birkhäuser Verlag 1980