I think the hummingbirds were my favorites! One year we had so many come to the feeder I bought two more (eight ports each) and had to refill them three times a day! I probably went through 20 pounds of sugar that month. They were worth it!
Someone on FR told me a long time ago that you can train Hummers to eat from your hand. I bought some of these little ‘button’ feeders, but haven’t had the time to try them out. Hummingbirds are so bold and pugnacious, I don’t think it would be hard to train them: