%0 Journal Article %T The Signaller's Dilemma: A Cost¨CBenefit Analysis of Public and Private Communication %A Heiner R£żmer %A Alexander Lang %A Manfred Hartbauer %J PLOS ONE %D 2012 %I Public Library of Science (PLoS) %R 10.1371/journal.pone.0013325 %X Understanding the diversity of animal signals requires knowledge of factors which may influence the different stages of communication, from the production of a signal by the sender up to the detection, identification and final decision-making in the receiver. Yet, many studies on signalling systems focus exclusively on the sender, and often ignore the receiver side and the ecological conditions under which signals evolve. %U http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0013325