Longest recorded underwater dive by a polar bear

@article{Stirling2015LongestRU,
  title={Longest recorded underwater dive by a polar bear},
  author={Ian Stirling and Rinie van Meurs},
  journal={Polar Biology},
  year={2015},
  volume={38},
  pages={1301-1304}
}
The maximum dive duration for a wild polar bear (Ursus maritimus) of any age is unknown, and opportunities to document long dives by undisturbed bears are rare. We describe the longest dive reported to date, by a wild undisturbed adult male polar bear. This dive was made during an aquatic stalk of three bearded seals (Erignathus barbatus) lying several meters from each other at the edge of an annual ice floe. The bear dove for a total duration of 3 min 10 s and swam 45–50 m without surfacing to… Expand

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