I'll go against the grain and say that I think feeding time is quite boring
In all seriousness, I just think it's funny when I see Quetzal recognize that it's a mouse I'm dangling at him, a nearly visible change as he realizes what that fluffy white thing is there for. "Oh? Wha- oooooooooooh. FOOD! >:]" And he does a little headbob dance around it, I assume trying to figure out where to bite the thing at, and whammo!
After that it's boringHe constricts it for a good 5 minutes, then unravels, throws it back, and perches looking for another.