I still can't get Purple Martins interested in calling the Martin house home. I guess this winter I'll take it down, give it a good cleaning, buy some plastic gourds and add them to the house when I open it up in the Spring. I had a pair sitting on the roof, but they never stuck around. Right now there's a pair of Bluebirds nesting in it. I know English Sparrows are a problem, and when the chance arises, they get a dose of high velocity lead.