I guess its first come, first serve but we were hoping for bluebirds. I made 3. One had bluebirds until a bear knocked it down. One has the wrens, they used it last year too. and one is too far in the woods. It looked good until everything leafed out and it disappeared into the woods lol. Biggest problem in the swamp is leaving ruts that 1) you have to deal with later and 2) just make another place for water to collect 🙄 btw did you just call me a senior citizen? haha