Some great tits in the United Kingdom are getting long in the beak — and it may have something to do with a British fondness for bird feeders. In other studies, bird beaks have been shown to be ...

Setting up a bird feeder is one of the easiest ways to interact with wildlife. But could this seemingly innocent pastime be changing the very shape of our backyard birds? It’s still too early to say ...

Bird beaks are incredibly diverse. Beaks can be thick and strong to crush nuts, curved like a corkscrew to open snail shells, or even full of combs to make it possible to filter food out of water.

Bird beaks are a textbook example of adaptations to feeding strategies, but there’s one major exception: birds of prey. While Darwin’s finches display a dazzling array of beak shapes and sizes – well ...