October 2007
If a chimp is being attacked, it will exaggerate its cries if there is a high-ranking chimp around who could challenge the aggressor.
BBC summary; original research article in PNAS (open access).
October 2007
If a chimp is being attacked, it will exaggerate its cries if there is a high-ranking chimp around who could challenge the aggressor.
BBC summary; original research article in PNAS (open access).