<h1>&nbsp;</h1> <div class="toc-about clearfix"> <h1><a href="http://many.at/links2tabs" class="header">Psychology - психологія 心理学 psychologie 心理學 ψυχολογία psychologia मनोविज्ञान pszichológia உளவியலாளர்கள் psicologia మానసిక నిపుణులు 심리학 psykologi tâm lý học psikoloji психология psicólogos علم النفس psicología פסיכולוגיה</a></h1><p>References 1 - 3 for Chimpanzees use alarm calls intentionally to warn friends</p> </div><!-- class="about clearfix" --><h1>&nbsp;</h1> <div id="mysitesnoframes" class="sites_content"><ul> <li><a rel="nofollow" href="http://dx.plos.org/10.1371/journal.pone.0076674" ><img src="/wp-content/images/icons/32/globe2.png" width="32" height="32" /><strong>[1] PLOS ONE</strong>dx.plos.org</a></li> <li><a rel="nofollow" href="http://www.bps.org.uk/monkeying-around-2012-public-engagement-grant" ><img src="/wp-content/images/icons/32/globe3.png" width="32" height="32" /><strong>[2] online</strong>bps.org.uk</a></li> <li><a rel="nofollow" href="http://www.bps.org.uk/psychology-public/sharing-our-science/public-engagement-grants/public-engagement-grants" ><img src="/wp-content/images/icons/32/globe4.png" width="32" height="32" /><strong>[3] more</strong>bps.org.uk</a></li> </ul></div> Your browser does not handle frames, which are required to view the sites in tabs. Please upgrade to a more modern browser.<br /><br />