Day 14! Should they look dark?

[silkieboxerluv]

I can still see veins but they are getting real dark and some feel alittle hollow? Not sure. Hoping this a good thing.I can still see some movement in some but others im not sure. Could someone direct me to a candeling website or post pics of later days, ive found a few on like day 7 and 8 but not much after.
thanks

 

[chicktasticvt]

Yes they they get darker as they develop, here is a good site
http://www.minkhollow.ca/HatchingProgram/Candling/Fresh/index.html