Warming up and cooling down: Self - esteem and behavioral responses to social threat during relationship initiation. (scienceofrelationships.com)
Here again, Pilanesberg elephants were apparently unable to distinguish between the level of social threat presented by older versus younger callers. (frontiersinzoology.biomedcentral.com)
(Neurons responding to angry faces, an important social threat for the highly social macaques, came in second.) (sciencemag.org)