Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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The colossal squid has the largest eyes in the world.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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