About the Authors

Sylvain Alem

Contributed equally to this work with: Sylvain Alem, Clint J. Perry

Affiliation Department of Biological and Experimental Psychology, School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom

Clint J. Perry

Contributed equally to this work with: Sylvain Alem, Clint J. Perry

Affiliation Department of Biological and Experimental Psychology, School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom

Xingfu Zhu

Affiliations Department of Biological and Experimental Psychology, School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun Town, Yunnan, P. R. China

Olli J. Loukola

Affiliation Department of Biological and Experimental Psychology, School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom

Thomas Ingraham

Affiliation F1000Research, London, United Kingdom

Eirik Søvik

Affiliation Department of Science and Mathematics, Volda University College, Volda, Norway

Lars Chittka

l.chittka@qmul.ac.uk

Affiliation Department of Biological and Experimental Psychology, School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: LC CJP SA. Data curation: SA CJP. Formal analysis: SA CJP ES. Funding acquisition: LC SA CJP OJL XZ. Investigation: SA CJP OJL TI XZ. Methodology: SA CJP. Project administration: LC SA CJP. Resources: LC ES. Software: ES. Supervision: LC SA CJP. Validation: SA CJP. Visualization: SA CJP. Writing – original draft: SA CJP LC. Writing – review & editing: SA CJP LC.