Do chickens have teeth?

Do chickens have teeth?
It is a well-known fact of science that chickens don't have teeth. So well known that it's been incorporated into everyday speech, rare as hen's teeth, the saying goes. ... Researchers at the University of Wisconsin have found a mutant strain of chicken that does appear to have teeth.

Reference:
Study of Chicken Teeth Sheds Light on Evolution : NPR
Feb 23, 2006

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