In the summer, my horse has a very clear, though still very red, dorsal stripe. His legs are the same color as his body, and his mane and tail are a little darker, but not very noticeably. What might be causing this? Is sun factor a possibility, or is there a different gene that causes this too? I know red duns exist, though any that I've seen have noticeable darkening/striping on their legs. I'll post pics later!
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