1. Bison herds have dominance hierarchies that exist for both males and females. 2. Genetic crosses of individuals found a general dominance hierarchy within the alleles. 3. Male dragonets form dominance hierarchies and act extremely aggressively towards each other. 4. Each group has multiple males, which establish a dominance hierarchy amongst themselves. 5. Male aggression, interestingly, was not correlated with position in the dominance hierarchy . 6. This conflict over reproduction in some cases results in a dominance hierarchy . 7. Larger, older individuals often have an advantage during the establishment of dominance hierarchies . 8. This dominance hierarchy is particularly helpful in explaining female-initiated agonistic behavior. 9. The kype functions as a dominance hierarchies at the spawning grounds. 10. In social groups of macaques, a clear dominance hierarchy is seen among females.
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