The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The colossal squid has the largest eyes in the world.
4
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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