Long story short, our swan family was removed and the eggs they had in our back yard were left. It was around 99 degrees that day and they were still warm when I picked them up. I brought them inside and have had them under a lamp between 99-101 degrees and around 50% humidity. I have been slightly turning them every 3 hours or so. But I know they can explode if bad and I have candeled them and can only see a golf ball sized hollow spot on the bigger end, they are so thick that I cant see anything else. They are red billed mute swans, she had 6 good eggs and threw the one dud out. Im trying to find someone close to us to take them so they dont die but no one within an hour of us really wants or is familiar with swan eggs.