I built this bird house and put it outside last January. We had no visitors last year and we were starting to get sad because we haven't had any visitors this year. Well, one + year later we have what we believe to be a nuthatch coming and going. Never mind that this was a woodpecker house - we are just happy to have a visitor. He (pretty sure it's a he) spent all afternoon putting small nest like objects through the hole. He must be getting his new pad ready for his girl!