Vocalizations of the North Atlantic pilot whale (Globicephala melas) as related to behavioral contexts

@article{Weilgart2004VocalizationsOT,
  title={Vocalizations of the North Atlantic pilot whale (Globicephala melas) as related to behavioral contexts},
  author={Linda S. Weilgart and Hal Whitehead},
  journal={Behavioral Ecology and Sociobiology},
  year={2004},
  volume={26},
  pages={399-402}
}
SummaryVocalizations of free-ranging North Atlantic pilot whales were studied in different behavioral contexts to gain insight into the function and biological significance of different sound types. Simple whistles (with no frequency inflections) were heard more frequently when whales were “milling,” a restful behavior type. During “surface active” behavior, energetic, often coordinated activity probably representing feeding, many sound types, especially complex whistles (with more frequency… 
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Sounds produced by northern bottlenose whales (Hyperoodon ampullatm) recorded in the Gully, a submarine canyon off Nova Scotia, consisted predominately of clicks. In 428 min of recordings no whistles
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