Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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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.
22
A dork is a whale's penis.
327
Squirrels forget where they hide about half of their nuts.
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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.
9
The head of a jellyfish is called the "Bell."
6
The ancestor of all domestic cats is the African Wild Cat which still exists today.
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