Validation of a device for accurate timing of feeding events in marine animals

@article{Suzuki2009ValidationOA,
  title={Validation of a device for accurate timing of feeding events in marine animals},
  author={Ippei Suzuki and Yasuhiko Naito and Lars P. Folkow and Nobuyuki Miyazaki and Arnoldus Schytte Blix},
  journal={Polar Biology},
  year={2009},
  volume={32},
  pages={667-671}
}
Two acceleration data loggers, each measuring surging and heaving acceleration, were attached to the head and mandible of three captive hooded seals, Cystophora cristata, for detection of underwater feeding events. Three sizes of prey: Atlantic herring (large), capelin (medium), and half a capelin (small) were tested. A highpass frequency-filtering method at 3 Hz provided more distinct prey ingestion signals for both head and mandible acceleration. The surge-axis signals from head acceleration… CONTINUE READING
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