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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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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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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