Whales and dolphins can't taste anything other than salt.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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Dogs sometimes fake being sick to get attention.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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