Acoustic characteristics of underwater tail slaps used by Norwegian and Icelandic killer whales (Orcinus orca) to debilitate herring (Clupea harengus).

@article{Simon2005AcousticCO,
  title={Acoustic characteristics of underwater tail slaps used by Norwegian and Icelandic killer whales (Orcinus orca) to debilitate herring (Clupea harengus).},
  author={Malene Simon and Magnus Wahlberg and Fernando Ugarte and Lee A. Miller},
  journal={The Journal of experimental biology},
  year={2005},
  volume={208 Pt 12},
  pages={2459-66}
}
Norwegian killer whales debilitate prey by slapping their tails into herring schools. These underwater tail slaps produce a thud-like sound. It is unclear whether this sound is caused by cavitation and/or physical contact between herring and whale tail. Also the forces causing debilitation of the fish are not understood. Here we present an acoustic analysis of underwater tail slaps using a multi-channel wide (150 kHz) band recording system. Underwater tail slaps produced by Norwegian killer… CONTINUE READING

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