The Song Structure of the Siberian Rubythroat Luscinia [Calliope] Calliope: Branching Syntax Underlies Complex and Variable vocalization

摘要: The syntactical organization of the avian song is particular interest in light recently discussed analogies between songs birds and human speech. We present here a description structure Siberian Rubythroat Calliope calliope, small insectivorous bird, widespread Siberia Russian Far East. This species sings predominantly discontinuously, but duration individual varies significantly. Each composed number units, stereotypical set different notes syllables that are always presented together strictly fixed order. Although variety units an individual's repertoire significant, diversity very beginning was found to be much more limited. not only extremely complex variable, it also organized as clusters rooted defined initial units. cluster turn contains several branching points with limited branches. Despite its impressive variety, rubythroat's nevertheless numerous sequences