http://web.archive.org/web/20051207035940/marsa_sellers.tripod.com/geneticspages/page0.html is a good starting point.
http://www.edelras.nl/chickengenetics/ is a good 2nd step
If you want a book, Genetics of Chicken Colours by Sigrid van Dort; you can preview it at find ordering information at...
Blues have darker head, hackles and saddles. They also have dark feather shafts. Lavenders are uniform in colour throughout the body & have lighter feather shafts.
Quote:
The first language is Dutch but if you look down the list you will next see the same words in Englsh, then in German & then in French. Just click on the English words. It really is very clever.
And the reason the first language listed is Dutch is that Henk is from Holland.