Bird On A Mission!

One afternoon while sitting on the porch, we observed a Morning Dove sitting in the feeder tray on top of the feeder system, by the fountain. Eating and not paying attention to anything except the seed. A Sparrow flew in and landed on the vine next to the feeder system to check things out. The Sparrow flew to the feeder system and was looking at the Morning Dove in the tray. He hopped down the vine that is attached to the system head first.  I was thinking to myself  "No way! he's not going to do what I am thinking". Well, he sure did, he pecked a feather out of the Morning Dove's butt and flew off. That was just the nesting material he needed. The Morning Dove looked around stunned. What just happened? I've been mugged!