I found this site...
https://www.raising-happy-chickens.com/hatch-patterns.html
It goes through incubation/egg development by day. Check out the day 8-13 section. I think your eggs might be near the end of this phase of development or maybe the beginning of the next stage. It's an easy read with pictures.
https://www.raising-happy-chickens.com/hatch-patterns.html
It goes through incubation/egg development by day. Check out the day 8-13 section. I think your eggs might be near the end of this phase of development or maybe the beginning of the next stage. It's an easy read with pictures.