It has been scientifically proven that stroking a cat can lower one's blood pressure!
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When cats are happy, they may squeeze their eyes shut.
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Dolphins have names for one another.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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Bats sleep 18-20 hours per day.
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A puppy is born blind, deaf, and toothless.
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