Three-dimensional resting behaviour of northern elephant seals: drifting like a falling leaf.

@article{Mitani2010ThreedimensionalRB,
  title={Three-dimensional resting behaviour of northern elephant seals: drifting like a falling leaf.},
  author={Yoko Mitani and Russel D. Andrews and Katsufumi Sato and Akiko Kato and Yasuhiko Naito and Daniel P Costa},
  journal={Biology letters},
  year={2010},
  volume={6 2},
  pages={163-6}
}
During their long migrations through the Pacific, northern elephant seals, Mirounga angustirostris, never haul out on land and they rarely spend more than a few minutes at a time at the surface. They are almost constantly making repetitive, deep dives, raising the question of when do they rest? One type of dive, the drift dive, characterized by a time-depth profile with a phase of lower than average descent speed is believed to be a resting dive. To examine the behaviour of seals during drift… CONTINUE READING
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