Whether it is the most dominant individuals and families, or more random, no one knows.

A dominant individual (usually the alpha male) leads the group to easily monopolized resources.

Among males, mating is not restricted to only dominant individuals.

Socially dominant individuals are more likely to frown than those of a lower social status.

In hierarchical societies, dominant individuals may exert control over others.

The larger the group, the less time dominant individuals have in which to eat.

The social system is based on a hierarchy within which the most dominant individuals take the greatest share of food.

They give birth to twins, and only one female (the dominant individual) breeds in any single social group.

Low ranking males commonly switch sides in disputes between more dominant individuals.

Usually, less dominant individuals will lose to a higher-ranking individual when conflict arises.