In Australia, there are spiders big enough to eat snakes.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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Cows can sleep standing up, but they can only dream lying down.
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Cats and dogs can hear ultrasound.
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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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