Do hens have teeth?

Chickens do not have teeth, but studies have shown that chickens have the genes required to grow teeth. Evolution is likely to be the cause behind chicken's inability to activate tooth development during growth. read more

If you thought hen's teeth were the rarest thing in nature, think again: researchers from Britain and the US have succeeded in growing teeth in a chicken. Far from being rarer than students who turn up at 9am lectures or lecturers who like giving them, a hen with teeth does occur naturally, scientists based at the universities of Manchester and Wisconsin have found. read more

Scientists have discovered that rarest of things: a chicken with teeth -- crocodile teeth to be precise. Contrary to the well-known phrase, "As rare as hens' teeth," the researchers say they have found a naturally occurring mutant chicken called Talpid that has a complete set of ivories. read more