Adult chimpanzees produce a unique vocal signal, the pant-grunt, when encountering higher-ranking group members. The behaviour is typically directed to a specific receiver and has thus been interpreted as a "greeting" signal. The alpha male obtains a large share of these calls, followed by the other adult males of the group. In this study, we…

This curriculum guide was developed for use with public television's Nature series. The materials in the guide are designed to help students actively participate in the study and experience of nature. Students are encouraged to view the programs as naturalists would in order to gain a better understanding of animals, their habits and habitats, and…

Urges the inclusion of comparative psychology in the undergraduate curriculum. Defines zoological or comparative psychology as a field that explores the behavior patterns and minds of many animal species and the genesis, control, and consequences of a range of behavioral patterns. Traces the history and development of the discipline. Discusses…

This curriculum guide was developed for use with public television's Nature series. The materials in the guide are designed to help students actively participate in the study and experience of nature. Students are encouraged to view the programs as naturalists would, observing animals in their environment, noting their behavior, and drawing…