Individuals occupying dominant and subordinate positions in social hierarchies exhibit
divergent behaviours, physiology and neural functioning. Dominant animals express higher …

Social status among group-living mammals can impact access to resources, such as water,
food, social support, and mating opportunities, and this differential access to resources can …

Highlights•Some species form social bonds that facilitate cooperation and provide
benefits.•Adult male chimpanzees form some of the strongest and most stable social …

The social environment is a major determinant of morbidity, mortality and Darwinian fitness
in social animals. Recent studies have begun to uncover the molecular processes …

A growing body of evidence suggests the capacity for animals to combine calls into larger
communicative structures is more common than previously assumed. Despite its cross-taxa …

Variation in stress responses has been investigated in relation to environmental factors,
species ecology, life history and fitness. Moreover, mechanistic studies have unravelled …

In primates, as well as in other mammals, play fighting (PF) is a complex form of playful
activity that is structurally similar to real fighting (RF) and may also be used in a competitive …

Variation in social status predicts molecular, physiological and life-history outcomes across
a broad range of species, including our own. Experimental studies indicate that some of …

Simple Summary Chimpanzees moving into sanctuary settings from captive research
settings have often lived in smaller groups at their previous facilities. However, chimpanzees …

The effect of the social environment on individual state or condition has largely focused on
glucocorticoid levels (GCs). As metabolic hormones whose production can be influenced by …