Woodpeckers are among the most remarkable birds in the avian world, having evolved a unique anatomy that enables them to peck and bore into solid timber both to find food and to create nesting cavities. The birds are key indicators of forest health and perform an important ecological role, providing holes that many other animals use. Woodpeckers have been considered symbols of fertility, security, strength, power, prophecy, magic, rhythm, medicine, and carpentry, and have been esteemed across cultures as the guardians of woodlands, tree surgeons, fire-bringers, weather forecasters, and...