I've been feeding Hummers for several years. Fun to watch. It's good to not put the feeder too close to the window. If they get startled they could fly into the reflection on the window. A couple years ago I took an old 8 track tape and taped a single piece of the tape (about 10-12 inches long)...
Hens go broody when you don’t want them to… and won’t go broody when you do.