UPDATE:
Things are not looking great in terms of the pieds survival unfortunately. The other 7 hatchlings in the clutch have been out for 3 days, and are thriving. The lone piebald is still cooking away in the incubator, showing no signs of leaving the egg anytime soon. The egg currently looks almost identical to the earlier picture that I posted. I have not yet seen a head emerge. I examined the egg today and there was some movement from the snake, but it was minimal. Any ideas on how I should proceed?
As always, Thanks!