The hippopotamus holds the title for the widest mouth among all land animals. A hippo’s mouth can open up to an astonishing 150 degrees, spanning nearly four feet wide. This impressive gape is not just for show; it allows them to display their formidable teeth and tusks, which are crucial for defense and dominance displays. Despite their bulky appearance, hippos are surprisingly agile in water, making their wide mouths a vital tool for their survival in both aquatic and terrestrial environments.
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