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Hearing sensation changes when a warning predicts a loud sound in the false killer whale (Pseudorca crassidens)
Nachtigall, P.E.; Supin, A.Y. (2016). Hearing sensation changes when a warning predicts a loud sound in the false killer whale (Pseudorca crassidens), in: Popper, A.N. et al. (Ed.) The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 743-746. hdl.handle.net/10.1007/978-1-4939-2981-8_90
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598, more
Peer reviewed article  

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Keywords
    Pseudorca crassidens (Owen, 1846) [WoRMS]; Marine
Author keywords
    Learning to change hearing sensation; Anthropogenic sound mitigation; Warning sounds; Avoidance learning; Loud sound mitigation; Sound avoidance learning

Authors  Top 
  • Nachtigall, P.E.
  • Supin, A.Y.

Abstract
    Stranded whales and dolphins have sometimes been associated with loud anthropogenic sounds. Echolocating whales produce very loud sounds themselves and have developed the ability to protect their hearing from their own signals. A false killer whale’s hearing sensitivity was measured when a faint warning sound was given just before the presentation of an increase in intensity to 170 dB. If the warning occurred within 1–9 s, as opposed to 20–40 s, the whale showed a 13-dB reduction in hearing sensitivity. Warning sounds before loud pulses may help mitigate the effects of loud anthropogenic sounds on wild animals.

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