Publications of Mark L. Roberts

Peters, A.; Roberts, M. L.; Kurvers, R. H. J. M.; Delhey, K.: Testosterone treatment can increase circulating carotenoids but does not affect yellow carotenoid-based plumage colour in blue tits Cyanistes caeruleus. Journal of Avian Biology 43 (4), pp. 362 - 368 (2012)

Peters, A.; Kurvers, R. H. J. M.; Roberts, M. L.; Delhey, K.: No evidence for general condition-dependence of structural plumage colour in blue tits: An experiment. Journal of Evolutionary Biology 24 (5), pp. 976 - 987 (2011)

Delhey, K.; Roberts, M. L.; Peters, A.: The carotenoid-continuum: Carotenoid-based plumage ranges from conspicuous to cryptic and back again. BMC Ecology 10, 13 (2010)

Kurvers, R. H. J. M.; Delhey, K.; Roberts, M. L.; Peters, A.: No consistent female preference for higher crown UV reflectance in Blue Tits Cyanistes caeruleus: A mate choice experiment. Ibis 152 (2), pp. 393 - 396 (2010)

Roberts, M. L.; Peters, A.: Is testosterone immunosuppressive in a condition-dependent manner? An experimental test in blue tits. The Journal of Experimental Biology 212 (12), pp. 1811 - 1818 (2009)

Roberts, M. L.; Ras, E.; Peters, A.: Testosterone increases UV reflectance of sexually selected crown plumage in male blue tits. Behavioral Ecology 20 (3), pp. 535 - 541 (2009)

Kurvers, R. H. J. M.; Roberts, M. L.; McWilliams, S. R.; Peters, A.: Experimental manipulation of testosterone and condition during molt affects activity and vocalizations of male blue tits. Hormones and Behavior 54 (2), pp. 263 - 269 (2008)

Hodgson, Z. G.; Meddle, S. L.; Roberts, M. L.; Buchanan, K. L.; Matthew, R. E.; Metzdorf, R.; Gahr, M.; Healy, S. D.: Spatial ability is impaired and hippocampal mineralocorticoid receptor mRNA expression reduced in zebra finches (Taeniopygia guttata) selected for acute high corticosterone response to stress. Proceedings of the Royal Society B: Biological Sciences 274 (1607), pp. 239 - 245 (2007)

Roberts, M. L.; Buchanan, K. L.; Bennett, A. T. D.; Evans, M. R.: Mate choice in zebra finches: Does corticosterone play a role? Animal Behaviour 74 (4), pp. 921 - 929 (2007)

Roberts, M. L.; Buchanan, K. L.; Hasselquist, D.; Bennett, A. T. D.; Evans, M. R.: Physiological, morphological and behavioural effects of selecting zebra finches for divergent levels of corticosterone. The Journal of Experimental Biology 210 (24), pp. 4368 - 4378 (2007)

Roberts, M. L.; Buchanan, K. L.; Hasselquist, D.; Evans, M. R.: Effects of testosterone and corticosterone on immunocompetence in the zebra finch. Hormones and Behavior 51 (1), pp. 126 - 134 (2007)