Answer:

baboons

AnswerCrossword Clue
BABOONSBoorish ones
BABOONSOld World monkeys
BABOONSMonkeys with harems
BABOONSLarge monkeys
BABOONSBubble-headed brutes
BABOONSChacmas, for example
BABOONSDog-faced apes.
BABOONSApes.
BABOONSApes
BABOONSMandrills
BABOONSChacmas and mandrills
BABOONSSimian subset
BABOONSBig monkeys
BABOONSReally big monkeys
BABOONSCertain primates
BABOONSLong-muzzled beasts