Woodpeckers are protected by the Federal Migratory Bird Treaty Act as migratory, nongame birds. Some species are also protected by state laws. Occasionally the woodpecker will make a hole in your eaves. To prevent further damage to wood beneath the eaves, plastic bird netting can be installed from the gutter angled back to the siding below the damaged area. You might want to provide an alternate nest box nearby for the woodpecker.
Sapsuckers drill many holes around a tree trunk then come back and eat the bugs trapped in the sap.
This can sometimes kill the tree . We have not heard of an effective solution to the problem. They often sing at night. For the first time in this century, one of Bent's books is now available in an appropriate format, handsome library bindings, a modern attractive typeface, and with magnificent original paintings by William Zimmerman . The fifth title in this popular new series offers an illustrated examination of the Downy's communication, behavior, nesting, feeding, and brooding habits.