Vertebrate social communication： Ecological and evolution- ary insights from social signals

1 Communication and Social Signals Wilson （1975） defines communication as ＂the action on the part of one organism （or cell） that alters the probability pattern of behavior in another organism （or cell） in a fashion adaptive to either one or both the par- ticipants＂. Only a definition this broad can capture all the term ＂communication＂ encompasses;