Correction to: Journal of Ethology (2019) 37:111–115 https://doi.org/10.1007/s10164-018-0563-y
The article Unique numerical competence of Asian elephants on the relative numerosity judgment task, written by Naoko Irie, Mariko Hiraiwa‑Hasegawa and Nobuyuki Kutsukake, was originally published Online First without Open Access. After publication in volume 37, issue 1, page 111–115 the author decided to opt for Open Choice and to make the article an Open Access publication. Therefore, the copyright of the article has been changed to © The Author(s) 2019 and the article is forthwith distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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Irie, N., Hiraiwa-Hasegawa, M. & Kutsukake, N. Correction to: Unique numerical competence of Asian elephants on the relative numerosity judgment task. J Ethol 38, 127 (2020). https://doi.org/10.1007/s10164-019-00630-5
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DOI: https://doi.org/10.1007/s10164-019-00630-5