Garamszegi, L. Z., Rosivall, B., Rettenbacher, S., Marko, G., Zsebök, S., Szoellosi, E., et al. (2012). Corticosterone, avoidance of novelty, risk-taking and aggression in a wild bird: No evidence for pleiotropic effects. Ethology, 118(7), 621-635. doi:10.1111/j.1439-0310.2012.02049.x.