Our understanding of female–male power relationships in animals has changed over time. Evolutionary biologists once thought that male mammals held clear-cut power over females. Later, species with ...

Primates are a group of mammals that includes humans and our close relatives, such as apes, monkeys and lemurs. Monkeys, such as capuchins and macaques; prosimians, like lemurs and tarsiers; lesser ...

Five of the six nonhuman primate species found in the Indonesia’s Mentawai Islands have traditionally been hunted; traditional beliefs forbid killing the sixth, Kloss’s gibbon, or bilou. With ...