They're against clipping the wing joint, they find it cruel. I'm not too sure of it myself, but as long as the animal is happy...
I would go with the bigger breeds, but I understand that you at least have to have a pair of ducks, and I'm not sure whether they'd fit in our garden.
I've recently become rather fond of ducks, especially feeding them, and I thought that it might be nice to look into it a little.
I have a small garden (30ft by 10ft) and neighbours each side - one with a dog who has no means of getting over the fence, and the other with a cat who only has...