Yellow-bellied Sapsucker (Sphyrapicus varius) Science Article 1
abstract
The yellow-bellied sapsucker is a migratory woodpecker that feeds on a widevariety of orchard, shade, and forest trees. Instead of drilling holes to find insectslike other woodpeckers, sapsuckers drill holes in living trees to feed on sap andphloem tissues.
Gayne G. Erdmann and Ralph M. Peterson, North Central Forest Experiment Station 7.07