pecking
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Woodpeckers Never Get Headaches Despite Constant Pecking -- Here's Why
Over 300 species of woodpeckers in the world peck wood for a number of reasons. It may be to drill holes for food storage, dig for sap or insects, or simply unearth nest cavities. But woodpeckers do not give a direct hit, but gradual blows, which are not so hard on the creature.
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