A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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A dairy cow can produce more milk when listening to music.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
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