Vocalizations of Malaysian Bats (Microchiroptera and Megachiroptera)

  • Edwin Gould
Part of the NATO Advanced Study Institutes Series book series (volume 28)


Repetitive, graded vocalizations occur in young bats during maternal-infant communication. In shrews, rodents, tenrecs, polar bears, ungulates, civet cats and some primates similar graded repetitive sounds are emitted and coupled to excitation levels. Occurrence of this coupling in such disparate groups suggests that phylogenetically the repetitive vocal emission system has been pervasive in placental mammals and that bats probably locked into an existing graded communication system for the development of echolocation.


Polar Bear Forearm Length Adult Sonar Auditory Nervous System Sonar Emission 


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  1. Novick, A. 1977. Acoustic orientation, in: “Biology of bats”, V.3, W. A. Wimsatt, ed., Academic Press, New York.Google Scholar
  2. Grinnell, A. D. and S. Hagiwara 1972. Adaptations of the auditory nervous system for echolocation. Studies of New Guinea bats. Z. vergl. Physiol. 76, 41–81.CrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1980

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  • Edwin Gould

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