Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17