Researchers attached cameras to southern and northern resident orcas to study their habits and determine why northern residents are faring so much better than their southern cousins, and they're sharing videos on social media. "They are supreme athletes, they have this incredible ability to survive, track down fish, surface, breach, leap, spy hop, stay in touch with each other constantly," said Andrew Trites, head of the Marine Mammal Research Unit at the University of British Columbia.
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