Abstract
Underwater audiograms are available for only a few odontocete species: Phocoena phocoena (Andersen, 1970), Inia geoffrensis (Jacobs and Hall, 1972), Tursiops truncatus (Johnson, 1967), Delphinapterus leucas (White et al., 1978), Orcinus orca (Hall and Johnson, 1971), and Pseudorca crassidens (Thomas et al., 1988). All odontocetes studied have the typical U-shaped mammalian hearing curve and hear over a wide range of frequencies (up to 120 kHz in belugas and up to 140 kHz in bottlenose dolphins). Low-frequency hearing among these species is comparable, but the high frequency cut-off is species-specific.
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Thomas, J.A., Pawloski, J.L., Au, W.W.L. (1990). Masked Hearing Abilities in a False Killer Whale (Pseudorca Crassidens). In: Thomas, J.A., Kastelein, R.A. (eds) Sensory Abilities of Cetaceans. NATO ASI Series, vol 196. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0858-2_26
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DOI: https://doi.org/10.1007/978-1-4899-0858-2_26
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