Chickslick look on this website and scroll down to see lots of different Marans varieties. In general, the black coppers and blue coppers lay the darkest eggs and the cuckoos lay lighter than many of the other Marans varieties.
http://frenchmaransclubaustralia.yolasite.com/notes-on-breeding.php
Pink and Debbie: Beautiful pics of your girls!!
http://frenchmaransclubaustralia.yolasite.com/notes-on-breeding.php
Pink and Debbie: Beautiful pics of your girls!!