
Why a woodpecker's beak don't get stuck in a tree like a nail
Why a woodpecker’s beak don’t get stuck in a tree like a nail
When you hammer a nail into wood, it’s usually difficult to remove it. But woodpeckers hammer away at trees all day long. How can they so easily pull their beaks out of the holes they create? University of Antwerp biologists and their colleagues used high-spe…