Sounds like the one that pipped is early, rather than the others being late. At those temps, I would expect an incubation time in excess of 60 days. I usually incubate right around 89 degrees and my average time is about 56-58 days.

In my experience, the early ones have often been odd-balls, if you'll parden the pun. Smaller than the rest, sometimes with some abnormality (kinked, malformed, or a problem with getting nutrition from the yolk - ie: a hardened yolk or twisted umbilicus). Not always though. If the first little one leaves the egg and looks normal I'm sure he'll be fine. I would be willing to bet he is considerably smaller than his clutchmates though. Keep me up to date!

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