The feeding strategy of woodpeckers requires two specialized adaptations, one of which is known to all bird enthusiasts and the other of which is only known to a small number of them. When constructing a nest cavity or searching for tasty beetle grubs, the first skill is the ability to hammer into wood and discard the chips. The head of the woodpecker strikes the ground with … [Read more...] about Why Woodpeckers Don’t Get Headaches From Hammering