Living bird species also have no teeth, although some species – often aquatic ones – have ridges on their beaks. These may function similarly to simple teeth by helping the birds to hold on to ...

and I wish all my readers the courage to figure it out and live YOU to the fullest, even if you didn’t know chickens have no teeth. Until the next time: Live while you live.

Instead, a growing body of experimental evidence has shown such traits reflect changes in how, where, and when these genes are expressed. Even though birds lost teeth as physical structures ...