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Sound Intensities of Biosonar Signals from Bats and Toothed Whales

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Biosonar

Part of the book series: Springer Handbook of Auditory Research ((SHAR,volume 51))

Abstract

The signals emitted by echolocating bats and toothed whales can be of very impressive intensity. Actually, some of the most intense vocalizations of any mammal is found in the echolocation calls of bats and whales. Here we collect the known literature of so-called source levels (the sound intensity measured at a reference distance in front of the animal) of echolocation signals. This information is discussed in relation to the dynamics of the sound production of echolocation signals when the animal is maneuvering around different kinds of objects. Also, by implementing different strategies on the receiver (hearing) side of the echolocation system the different strategies when approaching a target found in nature may be at least in part explained by the acoustic environment. Also, some prey species can detect the signals from the approaching predator. This makes it interesting to investigate the behavior of prey species that can detect ultrasound and how such prey can change the echolocation strategy of the pursuing predator.

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Acknowledgments

We thank Lee Miller, Paul Nachtigall, Arthur Popper, and Lutz Wiegrebe for comments on previous drafts of this chapter.

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Authors and Affiliations

  1. Fjord & Bælt and Department of Biology, University of Southern Denmark, Marine Biological Research Center, Hindsholmsvej 11, Kerteminde, 5300, Denmark

    Magnus Wahlberg

  2. Department of Biology, University of Southern Denmark, Odense M, 5230, Denmark

    Annemarie Surlykke

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  1. Magnus Wahlberg
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  2. Annemarie Surlykke
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Correspondence to Magnus Wahlberg .

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Editors and Affiliations

  1. Department of Biology, University of Southern Denmark, Odense, Denmark

    Annemarie Surlykke

  2. Marine Mammal Research Program, University of Hawaii Hawaii Institute of Marine Biology, Kailua, Hawaii, USA

    Paul E. Nachtigall

  3. Marine Biological Laboratory, Woods Hole, Massachusetts, USA

    Richard R. Fay

  4. Department of Biology, University of Maryland, College Park, Maryland, USA

    Arthur N. Popper

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© 2014 Springer-Verlag New York

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Wahlberg, M., Surlykke, A. (2014). Sound Intensities of Biosonar Signals from Bats and Toothed Whales. In: Surlykke, A., Nachtigall, P., Fay, R., Popper, A. (eds) Biosonar. Springer Handbook of Auditory Research, vol 51. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9146-0_4

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