Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Ants tend to survive in a microwave because they find the coolest spot and wait!
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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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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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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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