Vanessa M. J. Lee, Matjaž Kuntner and Daiqin Li* 1 Behavioural Ecology and Sociobiology Lab, Department of Biological Sciences, National University of Singapore, Singapore, Singapore 2 Centre for Behavioural Ecology and Evolution, College of Life Sciences, Hubei University, Wuhan, China 3 Scientific Research Centre, Institute of Biology, Slovenian Academy of Sciences and Arts, Ljubljana, Sloven...