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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Gorillas can catch human colds and other illnesses.
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Dogs sometimes fake being sick to get attention.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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