How are a penguin's bones different?
Published in Daily Trivia
While the bones of most airborne birds are hollow for lightness, penguins are endowed with solid bones for ballast when they dive, sometimes to 850 feet or more.
Published in Daily Trivia
While the bones of most airborne birds are hollow for lightness, penguins are endowed with solid bones for ballast when they dive, sometimes to 850 feet or more.
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