Border Collie Bits!

Border Collie Bits - Although the breed standard may fault the lack of eyes rim pigmentation and not preferring blue eyes but allowing 'the full range of brown eyes,' from light to dark), subtle differences in head shape, ear set, eye set and bite may certainly tweak herding ability. Unofficially, show ring judges tend to prefer the darker, expressive eyes while working people believe the lighter eye may be more intimidating to stock.