When dragonflies mate, their tails form a love heart.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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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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When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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