Some people who feed birds sometimes wish they'd never see another woodpecker, particularly the downy and hairy species. The little critters often are the ones who find wood house siding as appealing as a dead elm tree. Cedar siding is particularly interesting to them and other species - even the crow-sized pileated woodpeckers. Seven types of woodpeckers are common in Wisconsin: sapsuckers, flickers, pileated, downy, hairy, redheaded and red-breasted. "I live in a cedar-sided house and have an issue with woodpeckers," wrote a Poynette man. "They seem to think my house is a great place to hang out and pound...