AUTHOR=Phillips Steven , Wilson William H. TITLE=Commentary: Experimental evidence for compositional syntax in bird calls JOURNAL=Frontiers in Psychology VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2016.01171 DOI=10.3389/fpsyg.2016.01171 ISSN=1664-1078