Funding for this research was provided by:
Royal Society of New Zealand (12-UOW-093, 12-UOW-093, rdf-10-MAU-001, RDF-14-LCR-001)
Article History
First Online: 4 June 2018
Change Date: 6 August 2018
Change Type: Correction
Change Details: In the original publication, the Fig. 4 image and caption contain an error. The correct figure is presented in this correction article.
Compliance with Ethical Standards
: The research was funded by the Royal Society of New Zealand from Marsden funding to H.W and P.M.W. (12-UOW-093) and Rutherford Discovery Fellowships to M.P.C. (RDF-10-MAU-001) and P.M.W. (RDF-14-LCR-001).
: The authors declare they have no conflict of interest.
: PMW conceived of the study, and PMW, MPC and HW designed the study. PMW collected data on whakataukī and extinct and living species, MPC carried out statistical analyses, TR carried out dating of whakataukī and modern texts and developed methods for language dating, and HW collected data on whakataukī and classified language structure. PMW wrote the first draft of the manuscript. All authors participated in data interpretation and contributed substantially to manuscript development and revisions.