Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Dogs have been man's pet for over 14,000 years.
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Penguins have a gland above their eye that turns saltwater into freshwater.
12
Jellyfish as a species are actually older than dinosaurs and sharks.
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