Abstract
THE lively displays, drummings, tappings, and vocalizations associated with the breeding behavior of Yellow-bellied Sapsuckers (Sphyrapicus v. varius) are in contrast to the quietness of these birds during migration. My investigations extended from 1951 through 1960, and observations on breeding behavior were made between April and September at Tamworth, New Hampshire, and, in winter, in a swamp near Seneca, Maryland. Six hand-raised individuals offered opportunities for further observations. The most detailed accounts of Sphyrapicus known to me are those of Howell (1952), who studied the three western species on their breeding grounds. Apparently S. varius has not been the subject of similar investigation.
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