A new study suggests competition between neighboring primate groups may shape differences in body size between males and females.

Female and male primates often form close bonds, but not purely out of affection. Close relationships usually evolve when there is a clear benefit for both parties, with protection and reproductive ...

Chimpanzee are one of several mammal species that use tools to hunt and search for food. While the East African nation of Uganda is home to a wealth of iconic creatures spanning from the forest ...

Monogamy : past and present / Ulrich H. Reichard -- Evolution of monogamy : mating relationships, parental care and sexual selection / Anders Pape Møller -- Mate guarding and the evolution of social ...

Macaque monkeys in two separate Japanese prefectures have taken the primatology world by storm after they were spotted attempting to mate with Sika deer. The phenomenon, originally observed in a ...