Hi my little call ducks are coming up too 3 weeks old now, now an again I see one of them panting, has his mouth open and breathing quicker then after a while he go ok, they have alldone it. So it's not just one if them, but they don't all do it the same time. I've never seen a duck doin that but ave only ever seen ducks at canals and ponds Simon new to all this any help u would be made up need re assurance.