If you are going to get 3, get 2 pekins and a runner, or 2 runners and a pekin.
Ally (my fawn and white runner) flew off the deck steps this weekend and landed ON Tavarish, my doberman. The other day she flew into the side of Jet (my greyhound). Both dogs were like "The sky is falling!" but...
Pekins 'should' be a more laid back friendly duck, but the girls I think are also louder than the runner.
Runner girls are noisy. My girls are social. Don't like to be picked up, but they run to me and hang out with me no problem. I only have 3 though. If you have a small number and spend time...