I put 3 khaki kampbell/mallard eggs on lockdown a few days ago but I need advice in wherever or not to intervene. (This is not my first time hatching ducklings but my first time with this particular problem). I live in South Georgia so the humidity has been ridiculously high this summer so in turn when I candled the eggs before putting them on lockdown the air cell in each of them was much smaller than it should be but one had internally pipped on day 24 so I put them on lockdown. On day 25 that one egg had externally pipped but made no more progress so after almost 2 days of no progress I helped him and realized because of the humidity he had grown abnormally large for his egg and the membrane was tough and was pretty much glued to him so i carefully wet him down and assisted. I'm happy to say he is active and doing great. The other 2 internally pipped about 24 hours ago but have not externally pipped (today is day 28). I can hear faint tapping and occasional peeping but I'm wondering if they will have the same issue as the other or if they will run out of air before externally pipping with such a small air cell. I dont want to intervene if not necessary but i would be heartbroken to know i could have saved them and didnt. Thoughts and advice?