Record-Breaking Dives
One species of Beaked Whale, the Cuvier’s beaked whale, regularly dive for an hour at a depth over 1,000 m (3,300 ft). The longest and deepest foraging dive recorded is 137.5 minutes at 2,992 m (9,816 ft). This is the greatest dive-depth known for a mammal without mechanical assistance. There are over 22 species of them, but the number that have actually been studied will shock you…
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