Species and sex differences in the screams of chimpanzees and bonobos

Abstract

We examined screams of chimpanzees and bonobos to investigate interspecific and intraspecific variability in call structure. Measurement of 11 acoustic features of screams revealed differences between and within species. One-way analyses of variance and discriminant function analyses show that the calls of chimpanzees and bonobos differ primarily in… (More)
DOI: 10.1007/BF02735794

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