Toucans have been said to have a beak a third a size of their body. It is comprised of a keratin material that is found in fingernails. The article that I found this is in was given to me by a customer who thought it was interesting. The article went on to discuss whether it was coincidence or not and went on to discuss whether it was possble that we could learn from the Toucan's beak.
I believe that it was by pure coincidence because how can we have afected how a Toucan's beak was going to turn out when we were not even on the planet? The beak of a Toucan was formed by evolution, not by coincidence.
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OK. How about some links or photos to go with this?
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