I have an incubator going for my reptiles and would love to try to hatch out a few Welsh harlequin eggs in there as well. My only problem is that all of the snake eggs are incubated at 89 and they will still be in there for a few months. Is there any shot that duck eggs could hatch at that temp? I could possibly bump the temp up to 90, but that is as high a the snakes can take it.