For the past two centuries, non‐human primates have been reported to inspect, protect,
retrieve, carry or drag the dead bodies of their conspecifics and, for nearly the same amount …

A New York Times Bestseller and winner of the PEN/EO Wilson Literary Science Writing
Award" Game-changing."—Sy Montgomery, New York Times Book Review Mama's Last …

Chimpanzees (Pan troglodytes) are the only great apes that inhabit hot, dry, and open
savannas. We review the environmental pressures of savannas on chimpanzees, such as …

Groupishness is a set of tendencies to respond to group members with prosociality and
cooperation in ways that transcend apparent self-interest. Its evolution is puzzling because it …

Across vertebrates, high social status affords preferential access to resources, and is
expected to correlate positively with health and longevity. Increasing evidence, however …

Many animals engage in aggression, but chimpanzees stand out in terms of fatal attacks
against adults of their own species. Most lethal aggression occurs between groups, where …

Why do we fight? Have we always been fighting one another? This book examines the
origins and development of human forms of organized violence from an anthropological and …

Individuals of social species experience competitive costs and social benefits of group living.
Substantial flexibility in humans' social structure and the combination of different types of …

Comparative thanatologists study the responses to the dead and the dying in nonhuman
animals. Despite the wide variety of thanatological behaviours that have been documented …

Information about responses to death in nonhuman primates is important for evolutionary
thanatology. This paper reviews the major causes of death in chimpanzees, and how these …