AUTHOR=Hackett Paul M. W. TITLE=Commentary: Wild psychometrics: Evidence for ‘general’ cognitive performance in wild New Zealand robins, Petroica longipes JOURNAL=Frontiers in Psychology VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2017.00165 DOI=10.3389/fpsyg.2017.00165 ISSN=1664-1078