▁main ▁groups : ▁black / black ▁and ▁tan , ▁any ▁solid ▁color ▁other ▁than ▁black ▁( AS CO B ), ▁and ▁parti - color . ▁The ▁black ▁variety ▁is ▁either ▁all ▁black , ▁or ▁with ▁tan ▁points ▁on ▁the ▁dog ' s ▁head , ▁the ▁feet ▁and ▁the ▁tail ▁in ▁a ▁pattern ▁called ▁black ▁and ▁tan . ▁The ▁group ▁known ▁as ▁AS CO B ▁includes ▁all ▁other ▁solid ▁colors ▁from ▁light ▁cre am ▁through ▁to ▁dark ▁red , ▁although ▁some ▁l ighter ▁color ing ▁is ▁allowed ▁on ▁the ▁fe ather ing ▁according ▁to ▁standards . ▁Parti - color ed ▁dogs ▁are ▁white ▁with ▁patch es ▁of ▁another ▁color ▁such ▁as ▁black ▁or ▁brown , ▁and ▁includes ▁any ▁ro an ▁colored ▁dogs . ▁In ▁addition , ▁American ▁C ock ers ▁co ats ▁can ▁come ▁in ▁a ▁pattern ▁known ▁as ▁mer le , ▁which ▁is ▁not ▁recognized ▁by ▁the ▁American ▁Kenn el ▁Club . ▁ ▁American ▁C ock ers ▁have ▁round er ▁eyes , ▁a ▁dom ed ▁sk ull , ▁shorter ▁m uzz le ▁and ▁more ▁clearly ▁pron ounced ▁e y eb rows ▁than ▁the ▁English ▁C ock ers , ▁whose ▁head ▁is ▁more ▁set ter - like . ▁In ▁colors , ▁the ▁ro an ▁colors ▁are ▁r ar er ▁in ▁the ▁American ▁variety ▁than ▁in ▁the ▁English ▁but ▁the ▁sh ade ▁of ▁buff ▁which ▁is ▁common ▁in ▁the ▁American ▁is ▁not ▁seen ▁in ▁the ▁English ▁bre ed ▁at ▁all , ▁although ▁there ▁are ▁English ▁C ocker ▁Span iels ▁which ▁are ▁considered ▁to ▁be ▁a