31. Unlike macaques there are no strong linear dominance hierarchies . 32. Groups of people can form a dominance hierarchy . 33. Newly emerged workers start out at the bottom of the dominance hierarchy in the social colony. 34. The dominance hierarchy of these perennial colonies is defined by one queen who controls her workers. 35. These interactions usually occur between individuals that hold high or intermediate positions in the dominance hierarchy . 36. Separate dominance hierarchies are found for each sex. 37. Sparring among males determines a dominance hierarchy . 38. Recently, it has been postulated that paired interactions alone cannot account for the emergence of dominance hierarchies . 39. The most basic interaction that establishes a Dominance Hierarchy is the dyad, or paired interaction among individuals. 40. They sometimes fence with their bills and wrestle, which scientists hypothesize they do to establish dominance hierarchies .
