A case of spontaneous acquisition of a human sound by an orangutan

@article{Wich2008ACO,
  title={A case of spontaneous acquisition of a human sound by an orangutan},
  author={Serge A. Wich and Karyl B. Swartz and Madeleine E. Hardus and Adriano R. Lameira and Erin E Stromberg and Robert W. Shumaker},
  journal={Primates},
  year={2008},
  volume={50},
  pages={56-64}
}
The capacity of nonhuman primates to actively modify the acoustic structure of existing sounds or vocalizations in their repertoire appears limited. Several studies have reported population or community differences in the acoustical structure of nonhuman primate long distance calls and have suggested vocal learning as a mechanism for explaining such variation. In addition, recent studies on great apes have indicated that there are repertoire differences between populations. Some populations… Expand

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