When dragonflies mate, their tails form a love heart.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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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 oldest creature ever found was Ming the clam at an admirable 507 years old.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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