Is this egg fertile?

[amaugans]

This is one of my quail eggs... can someone tell me if they think it is fertile or not? Thank you!

 

[brandmarie]

I always change it to black and white. From these I'm thinking not fertilized, but quail are sometimes hard to tell for me

 

[amaugans]

Oh yeah I see better now... :/
Thank you!

 

[AmyLynn2374]

This is one of my quail eggs... can someone tell me if they think it is fertile or not? Thank you!

One on the left I'm sure is, right harder to see, but it does appear to look more "blastoderm" than "blastodisc". Here is a pic to help you compare better: