People often put out Purple Martin houses to help control insects. In fact the Martins in the eastern United States could not exist without these houses.  Our sources for this episode include: How to Attract Purple Martins https://www.purplemartin.org/purple-martins/attracting/ Fun Facts About Purple Martins https://www.thespruce.com/fun-facts-about-purple-martins-387110 Interesting Facts About Purple Martins That Will Make You Go Wow https://birdeden.com/interesting-facts-about-purple-martin Purple Martin Conservation Association https://www.purplemartin.org/