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Mutant Chickens Grow Teeth

By Jennifer Viegas
Discovery News

…These bird relatives lost their teeth 70-80 million years ago and subsequently developed beaks, but Harris and his team believe their study results prove that the potential to form teeth still exists in birds, especially during their earliest stages of growth.

… Dinosaurs, flying pterosaurs, crocodiles and birds all are classified within the diverse archosaur group of reptiles.

The mutant chicken teeth, as for crocodile and alligator choppers, are less complex than human and other mammalian teeth, but Harris said “they do a very fine job for their purpose,” which is to rip through fish and animal flesh.

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