From the snub-nosed monkeys of China to the mountain gorillas of central Africa, our closest
nonhuman relatives are in critical danger worldwide. A recent report, for example, warns that …

Predation is considered one of the most important selective pressures on free-ranging
animals. Our understanding of it derives mainly from studies of individual vigilance (visual …

The social science literature contains numerous examples of human tribalism and
parochialism—the tendency to categorize individuals on the basis of their group …

The single most important difference between the sexes is the difference in their investment
in offspring. The general rule is this: females do all of the investing; males do none of …

Adopting an evolutionary approach to the psychology of race bias, we posit that intergroup
conflict perpetrated by male aggressors throughout human evolutionary history has shaped …

Current hypotheses that use visually guided reaching and grasping to explain orbital
convergence, visual specialization, and brain expansion in primates are open to question …

Publisher's description: Why do males of some species live with a single mate when they are
capable of fertilizing more than one female's eggs? Why do some females pair only with one …

It has long been thought that predation has had important ecological and evolutionary
effects on primates as prey. Predation has been theorized to have been a major selective …

In this paper, we analyse self-reported fear of four large carnivore species in a
representative sample of the Norwegian population. People reported the most fear of the two …

Year–round association between adult males and females is common in primates, even
though internal gestation and lactation predispose males to mate–desertion in the majority …