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like yellow-bellied sapsucker; typical drumming pattern is a burst of several rapid thumps followed by several slow, rhythmic thumps (Peterson 1990, Howell and Webb 1995). Like other sapsuckers, leaves distinctive sign in horizontal rows of small, squarish sap wells around tree trunks, especially in broad-leaved trees. See Devillers (1970) and Dunn (1978) for detailed information on identificati...