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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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Early American humans hunted car-size armadillos and used their shells for houses.
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Dogs sometimes fake being sick to get attention.
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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