Sperm whales are the only whales known to rest vertically They stay submerged by releasing bubbles to lower buoyancy Sperm whales, deep divers, are the largest toothed whales Aug 7 (Reuters) - Anyone ...
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Anyone who has tried to keep a cork underwater knows it takes effort. Yet sperm whales can rest suspended beneath the ocean surface despite having massive heads filled with oil, wax and air that would ...
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