We have a wonderful old oak behind our home, but the lower limbs are dying. The acorn woodpeckers have taken full advantage, turning these dead branches into their acorn granary. They are entertaining to watch and their raucous calls and threats to would be thieves are unmistakable
Wikipedia informs me that this call was chosen by artist Walter Lantz as the basis for his Woody Woodpecker cartoon character. The inspiration for the image of Woody however, is patterned on the Pileated Woodpecker with its prominent crest.