Identification of imperial cormorant Phalacrocorax atriceps behaviour using accelerometers

  • Laich A
  • Wilson R
  • Quintana F
 et al. 
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Animal behaviour is largely defined in terms of movement or lack of it, so precise quan- tification of animal movement is a potentially powerful way of identifying several animal behaviours. Animal-attached tags that record acceleration lend themselves particularly to this. In this work we show how tri-axial acceleration can be used to identify some of the behaviours of imperial cormorants Phalacrocorax atriceps. Based on the assessment of tri-axial acceleration signals, the following behaviours were identified in free-living birds: standing, sitting, floating on water, flying, walking and diving. During diving, the descent, bottom and ascent phases could be distinguished. We consid- ered the factors which coded for the different behaviours and this allowed us to design a key that will allow researchers assessing tri-axial accelerometry data to identify some of the behaviours that imperial cormorants perform. KEY

Author-supplied keywords

  • Acceleration datalogger
  • Behaviour
  • Imperial cormorant
  • Phalacrocorax atriceps
  • Remote monitoring

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  • Agustina Gómez Laich

  • Rory P. Wilson

  • Flavio Quintana

  • Emily L.C. Shepard

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