It should be pointed out, however, that sheer physical power is an unstable basis on which to found lasting dominance, as the Dutch primatologist Frans de Waal15 has taken pains to demonstrate. Among the chimp troupes he studied, males who were successful in the longer term had to buttress their physical prowess with more sophisticated attributes. Even the most brutal chimp despot can be taken down, after all, by two opponents, each three-quarters as mean. In consequence, males who stay on top longer are those who form reciprocal coalitions with their lower-status compatriots, and who pay
...more
