deviantART: More Like Chestnut Color Genetics Chart by ~MagicWindsStables Wow this is the most details horse chart I've seen. More ppl need to know how to identify specific horses by colors and facial features!
Terminology for the facial markings on a horse. Top row, L-R: Blaze, Stripe, Stripe (or thin blaze) and snip, Irregular blaze, Interrupted stripe, bald face. Bottom row, L-R: Faint star, Star, Star and strip, irregular star, snip, lip marking.