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Heffner HE, Heffner RS. Comments on "Killer whale (Orcinus orca) behavioral audiograms" [J. Acoust. Soc. Am. 141, 2387-2398 (2017)]. J Acoust Soc Am. 2018;143(1):500doi: 10.1121/1.5021771.
Heffner, H. E., & Heffner, R. S. (2018). Comments on "Killer whale (Orcinus orca) behavioral audiograms" [J. Acoust. Soc. Am. 141, 2387-2398 (2017)]. The Journal of the Acoustical Society of America, 143(1), 500. https://doi.org/10.1121/1.5021771
Heffner, Henry E, and Heffner, Rickye S. "Comments on "Killer whale (Orcinus orca) behavioral audiograms" [J. Acoust. Soc. Am. 141, 2387-2398 (2017)]." The Journal of the Acoustical Society of America vol. 143,1 (2018): 500. doi: https://doi.org/10.1121/1.5021771
Heffner HE, Heffner RS. Comments on "Killer whale (Orcinus orca) behavioral audiograms" [J. Acoust. Soc. Am. 141, 2387-2398 (2017)]. J Acoust Soc Am. 2018 Jan;143(1):500. doi: 10.1121/1.5021771. PMID: 29390732.
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J Acoust Soc Am. 2018 Jan;143(1):500. doi: 10.1121/1.5021771.

Comments on "Killer whale (Orcinus orca) behavioral audiograms" [J. Acoust. Soc. Am. 141, 2387-2398 (2017)].

The Journal of the Acoustical Society of America

Henry E Heffner, Rickye S Heffner

Affiliations

  1. Department of Psychology, University of Toledo, Toledo, Ohio 43606, USA.

PMID: 29390732 DOI: 10.1121/1.5021771

Abstract

Branstetter and his colleagues present the audiograms of eight killer whales and provide a comprehensive review of previous killer whale audiograms. In their paper, they say that the present authors have reported a relationship between size and high-frequency hearing but that echolocating cetaceans might be a special case. The purpose of these comments is to clarify that the relationship of a species' high-frequency hearing is not to its size (mass) but to its "functional interaural distance" (a measure of the availability of sound-localization cues). Moreover, it has previously been noted that echolocating animals, cetaceans as well as bats, have extended their high-frequency hearing somewhat beyond the frequencies used by comparable non-echolocators for passive localization.

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