Call every 10 minutes or so, you dont have to set a watch by it. Setup early in the morning and just wait. You may have to stay put for a quite a while but if they are there, they will eventually show up. If you have one answering your call but sounds a long ways off, move closer and setup again. I would ask the guy when and where he sees them strutting. Then go out and set up where they have been strutting, call and wait. Good luck.