The Sapsuckers form the genus Sphyrapicus within the woodpecker family Picidae. All are found in North America. As their name implies, sapsuckers feed primarily on the sap of trees, moving among different tree and shrub species on a seasonal basis. Insects, especially those attracted to the sweet sap exuding from sap holes, are often captured and fed to the young during the breeding season. The most easily recognized sap holes are found in birch trees during the breeding season. The members of… (More on Sphyrapicus)