
There are more chickens than any other species of bird on the planet. With three chickens for every human being, they are a food staple for millions of people around the world. But new research shows chickens were domesticated only relatively recently and were once revered.
The question of where chickens come from and how humans have interacted with them over time has eluded us for decades, until now. For many people it is difficult to think of chickens as anything other than food. But two new studies are changing our understanding of human-chicken relationships.