Publications of Kaspar Delhey

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)

Peters, A.; Klonczinski, E.; Delhey, K.: Fat quill secretion in pigeons: Could it function as a cosmetic? Animal Biology 60 (1), pp. 69 - 78 (2010)

Carrizo, M.; Delhey, K.: Observations on a nest of the Bearded Tachuri (Polystictus pectoralis). Ornitologia Neotropical 19 (1), pp. 157 - 160 (2008)

Delhey, K.; Peters, A.: Quantifying variability of avian colours: Are signalling traits more variable? PLoS One 3 (2), e1689 (2008)

Delhey, K.; Peters, A.; Biedermann, P. H. W.; Kempenaers, B.: Optical properties of the uropygial gland secretion: No evidence for UV cosmetics in birds. Die Naturwissenschaften 95 (10), pp. 939 - 946 (2008)

Peters, A.; Delhey, K.; Andersson, S.; van Noordwijk, H. J.; Förschler, M. I.: Condition-dependence of multiple carotenoid-based plumage traits: An experimental study. Functional Ecology 22 (5), pp. 831 - 839 (2008)

Schmidt-Wellenburg, C. A.; Visser, G. H.; Biebach, B.; Delhey, K.; Oltrogge, M.; Wittenzellner, A.; Biebach, H.; Kempenaers, B.: Trade-off between migration and reproduction: Does a high workload affect body condition and reproductive state? Behavioral Ecology 19 (6), pp. 1351 - 1360 (2008)

Delhey, K.; Peters, A.; Johnsen, A.; Kempenaers, B.: Fertilization success and UV ornamentation in blue tits Cyanistes caeruleus: Correlational and experimental evidence. Behavioral Ecology 18 (2), pp. 399 - 409 (2007)

Delhey, K.; Peters, A.; Johnsen, A.; Kempenaers, B.: Brood sex ratio and male UV ornamentation in blue tits (Cyanistes caeruleus): Correlational evidence and an experimental test. Behavioral Ecology and Sociobiology 61 (6), pp. 853 - 862 (2007)

Delhey, K.; Peters, A.; Kempenaers, B.: Cosmetic coloration in birds: Occurrence, function, and evolution. American Naturalist 169 (1), pp. S145 - S158 (2007)

Peters, A.; Delhey, K.; Johnsen, A.; Kempenaers, B.: The condition-dependent development of carotenoid-based and structural plumage in nestling blue tits: Males and females differ. American Naturalist 169 (S1), pp. S122 - S136 (2007)

Poesel, A.; Dabelsteen, T.; Darden, S.-K.; Delhey, K.; Peters, A.: Territorial responses of male blue tits, Cyanistes caeruleus, to UV-manipulated neighbours. Journal of Ornithology 148 (2), pp. 179 - 187 (2007)

Delhey, K.; Kempenaers, B.: Age differences in blue tit Parus caeruleus plumage colour: Within-individual changes or colour-biased survival? Journal of Avian Biology 37 (4), pp. 339 - 348 (2006)

Delhey, K.; Peters, A.; Johnsen, A.; Kempenaers, B.: Seasonal changes in blue tit crown color: Do they signal individual quality? Behavioral Ecology 17 (5), pp. 790 - 798 (2006)

Peters, A.; Delhey, K.; Goymann, W.; Kempenaers, B.: Age-dependent association between testosterone and crown UV coloration in male blue tits (Parus caeruleus). Behavioral Ecology and Sociobiology 59 (5), pp. 666 - 673 (2006)

Iribarne, O.; Bruschetti, M.; Escapa, M.; Bava, J.; Botto, F.; Gutierrez, J.; Palomo, G.; Delhey, K.; Petracci, P.; Gagliardini, A.: Small- and large-scale effect of the SW Atlantic burrowing crab Chasmagnathus granulatus on habitat use by migratory shorebirds. Journal of Experimental Marine Biology and Ecology 315 (1), pp. 87 - 101 (2005)

Johnsen, A.; Delhey, K.; Schlicht, E.; Peters, A.; Kempenaers, B.: Male sexual attractiveness and parental effort in blue tits: A test of the differential allocation hypothesis. Animal Behaviour 70 (4), pp. 877 - 888 (2005)

Peters, A.; Delhey, K.; Denk, A. G.; Kempenaers, B.: Trade-offs between immune investment and sexual signaling in male mallards. American Naturalist 164 (1), pp. 51 - 59 (2004)

Peters, A.; Denk, A. G.; Delhey, K.; Kempenaers, B.: Carotenoid-based bill colour as an indicator of immunocompetence and sperm performance in male mallards. Journal of Evolutionary Biology 17 (5), pp. 1111 - 1120 (2004)

Petracci, P. F.; Delhey, K.: Nesting attempts of the Cliff Swallow Petrochelidon pyrrhonota in Buenos Aires Province, Argentina. Ibis 146 (3), pp. 522 - 525 (2004)

Delhey, K.; Johnsen, A.; Peters, A.; Andersson, S.; Kempenaers, B.: Paternity analysis reveals opposing selection pressures on crown coloration in the blue tit (Parus caeruleus). Proceedings of the Royal Society B: Biological Sciences 270 (1528), pp. 2057 - 2063 (2003)

Foerster, K.; Delhey, K.; Johnsen, A.; Lifjeld, J. T.; Kempenaers, B.: Females increase offspring heterozygosity and fitness through extra-pair matings. Nature 425 (6959), pp. 714 - 717 (2003)

Johnsen, A.; Delhey, K.; Andersson, S.; Kempenaers, B.: Plumage colour in nestling blue tits: Sexual dichromatism, condition dependence and genetic effects. Proceedings of the Royal Society B: Biological Sciences 270 (1521), pp. 1263 - 1270 (2003)

Joseph, L.; Burbidge, A. H.; Delhey, K.; Hansen, B. D.; Kleindorfer, S.; Maurer, G.: Emu's first 120 years: Landmark papers of change in austral ornithology. Emu 121 (4), pp. 284 - 291 (2021)