http://frenchmaransclubaustralia.yolasite.com/notes-on-breeding.php Ignore the chick down pics at the top of the page. Scroll down to the "Brown Red"
or "Black Copper" color. There is a pic of Black Copper chick down in that section.
If you ever want to buy show birds in those colors, this is the place to get them:
They win consistently in top competition over multiple years in multiple colors. http://marans2xl.com/cuckoo.html
Best,
Karen in PA