Publications of Kaspar Delhey

Journal Article (75)

1.
Journal Article
Delhey, K.; Valcu, M.; Kempenaers, B.: Unpalatable birds are black: A re-analysis of Hugh Cott’s data on bird palatability. Biological Journal of the Linnean Society 144 (2), blaf005 (2025)
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2.
Journal Article
Ibáñez-Álamo, J. D.; Delhey, K.; Izquierdo, L.; Valcu, M.; Kempenaers, B.: Colourful urban birds: Bird species successful in urban environments have more elaborate colours and less brown. Ecology Letters 28 (4), e70106 (2025)
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3.
Journal Article
Delhey, K.; Krietsch, J.; Parisi, A.; Valcu, M.; Kempenaers, B.: Variation in nuptial color in relation to sex, individual quality and mating success in the sex-role reversed Phalaropus fulicarius (Red Phalarope). Ornithology 141 (3), ukae016 (2024)
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4.
Journal Article
Mentesana, L.; Amador, A.; Amorim, P.; Delhey, K.; Diniz, P.; Fraga, R.; Mindlin, G. B.; Reboreda, J. C.; Schaaf, A.; Tassino, B. et al.; Adreani, N. M.: Biology of the Rufous Hornero, from mechanisms to behavioral ecology: Potential Neotropical model species? Journal of Field Ornithology 95 (4), 2 (2024)
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5.
Journal Article
Delhey, K.; Valcu, M.; Dale, J.; Kempenaers, B.: The evolution of carotenoid-based plumage colours in passerine birds. Journal of Animal Ecology 92 (1), pp. 66 - 77 (2023)
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6.
Journal Article
Delhey, K.; Valcu, M.; Muck, C.; Dale, J.; Kempenaers, B.: Evolutionary predictors of the specific colors of birds. Proceedings of the National Academy of Sciences of the United States of America 120 (34), e2217692120 (2023)
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7.
Journal Article
Eastwood, J. R.; Dupoué, A.; Delhey, K.; Verhulst, S.; Cockburn, A.; Peters, A.: When does early-life telomere length predict survival? A case study and meta-analysis. Molecular Ecology 32 (11), pp. 3000 - 3013 (2023)
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8.
Journal Article
Nolazco, S.; Delhey, K.; Fan, M.; Hall, M. L.; Kingma, S. A.; Roast, M. J.; Teunissen, N.; Peters, A.: Which plumage patches provide information about condition and success in a female fairy-wren? Behavioral Ecology 34 (1), pp. 50 - 62 (2023)
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9.
Journal Article
Santangeli, A.; Haukka, A.; Morris, W.; Arkkila, S.; Delhey, K.; Kempenaers, B.; Valcu, M.; Dale, J.; Lehikoinen, A.; Mammola, S.: What drives our aesthetic attraction to birds? npj Biodiversity 2 (1), 20 (2023)
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10.
Journal Article
Eastwood, J. R.; Connallon, T.; Delhey, K.; Hall, M. L.; Teunissen, N.; Kingma, S. A.; La Porte, A. M.; Verhulst, S.; Peters, A.: Hot and dry conditions predict shorter nestling telomeres in an endangered songbird: Implications for population persistence. Proceedings of the National Academy of Sciences of the United States of America 119 (25), e2122944119 (2022)
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11.
Journal Article
Nolazco, S.; Delhey, K.; Nakagawa, S.; Peters, A.: Ornaments are equally informative in male and female birds. Nature Communications 13, 5917 (2022)
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12.
Journal Article
Delhey, K.; Dale, J.; Valcu, M.; Kempenaers, B.: Migratory birds are lighter coloured. Current Biology 31 (23), pp. R1511 - R1512 (2021)
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13.
Journal Article
Fan, M.; Hall, M. L.; Roast, M.; Peters, A.; Delhey, K.: Variability, heritability and condition-dependence of the multidimensional male colour phenotype in a passerine bird. Heredity 127 (3), pp. 300 - 311 (2021)
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14.
Journal Article
Laitly, A.; Callaghan, C. T.; Delhey, K.; Cornwell, W. K.: Is color data from citizen science photographs reliable for biodiversity research? Ecology and Evolution 11 (9), pp. 4071 - 4083 (2021)
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15.
Journal Article
McQueen, A.; Delhey, K.; Barzan, F. R.; Naimo, A. C.; Peters, A.: Male fairy-wrens produce and maintain vibrant breeding colors irrespective of individual quality. Behavioral Ecology 32 (1), pp. 178 - 187 (2021)
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16.
Journal Article
McQueen, A.; Delhey, K.; Szecsenyi, B.; Crino, O. L.; Roast, M. J.; Peters, A.: Physiological costs and age constraints of a sexual ornament: An experimental study in a wild bird. Behavioral Ecology 32 (2), pp. 327 - 338 (2021)
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17.
Journal Article
Olsson, P.; Lind, O.; Mitkus, M.; Delhey, K.; Kelber, A.: Lens and cornea limit UV vision of birds - A phylogenetic perspective. The Journal of Experimental Biology 224 (20), jeb243129 (2021)
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18.
Journal Article
Carballo, L.; Delhey, K.; Valcu, M.; Kempenaers, B.: Body size and climate as predictors of plumage colouration and sexual dichromatism in parrots. Journal of Evolutionary Biology 33 (11), pp. 1543 - 1557 (2020)
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19.
Journal Article
Delhey, K.: Revealing the colourful side of birds: Spatial distribution of conspicuous plumage colours on the body of Australian birds. Journal of Avian Biology 51 (1), e02222 (2020)
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20.
Journal Article
Delhey, K.; Dale, J.; Valcu, M.; Kempenaers, B.: Why climate change should generally lead to lighter coloured animals. Current Biology 30 (23), pp. R1406 - R1407 (2020)
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21.
Journal Article
Delhey, K.; Guallar, S.; Rueda‐Hernández, R.; Valcu, M.; Wang, D.; Kempenaers, B.: Partial or complete? The evolution of post‐juvenile moult strategies in passerine birds. Journal of Animal Ecology 89 (12), pp. 2896 - 2908 (2020)
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22.
Journal Article
Nolazco, S.; Hall, M. L.; Kingma, S. A.; Delhey, K.; Peters, A.: No evidence for an adaptive role of early molt into breeding plumage in a female fairy wren. Behavioral Ecology 31 (2), pp. 411 - 420 (2020)
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23.
Journal Article
Prasetya, A. M.; Peters, A.; Delhey, K.: Carotenoid‐based plumage colour saturation increases with temperature in Australian passerines. Journal of Biogeography 47 (12), pp. 2671 - 2683 (2020)
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24.
Journal Article
Delhey, K.; Dale, J.; Valcu, M.; Kempenaers, B.: Reconciling ecogeographical rules: Rainfall and temperature predict global colour variation in the largest bird radiation. Ecology Letters 22 (4), pp. 726 - 736 (2019)
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25.
Journal Article
Gandoy, F. A.; Delhey, K.; Winkler, D. W.; Mangini, G.; Areta, J. I.: Lower breeding success in a new range: No evidence for the enemy release hypothesis in South American Barn Swallows. The Auk 136 (4), ukz050 (2019)
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26.
Journal Article
McQueen, A.; Kempenaers, B.; Dale, J.; Valcu, M.; Emery, Z. T.; Dey, C. J.; Peters, A.; Delhey, K.: Evolutionary drivers of seasonal plumage colours: Colour change by moult correlates with sexual selection, predation risk and seasonality across passerines. Ecology Letters 22 (11), pp. 1838 - 1849 (2019)
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27.
Journal Article
Delhey, K.: Darker where cold and wet: Australian birds follow their own version of Gloger's rule. Ecography 41 (4), pp. 673 - 683 (2018)
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28.
Journal Article
Delhey, K.: Nest webs beyond woodpeckers: The ecological role of other nest builders. Ecology 99 (4), pp. 985 - 988 (2018)
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29.
Journal Article
Fan, M.; Teunissen, N.; Hall, M. L.; Hidalgo Aranzamendi, N.; Kingma, S. A.; Roast, M.; Delhey, K.; Peters, A.: From ornament to armament or loss of function? Breeding plumage acquisition in a genetically monogamous bird. Journal of Animal Ecology 87 (5), pp. 1274 - 1285 (2018)
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30.
Journal Article
Petracci, P. F.; Burgos, J. M.; López, G. C.; Delhey, K.; Carrizo, M.; Sarria, R.; Sotelo, M.; Somoza, G. M.; La Sala, L. F.: Field sexing Olrog's Gull (Larus atlanticus) using morphometry. Waterbirds 41 (4), pp. 411 - 416 (2018)
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31.
Journal Article
Delhey, K.; Carrizo, M.; Mahler, B.; Peters, A.: Complex nest decorations of a small brown bird in the Pampas. Frontiers in Ecology and the Environment 15 (7), pp. 406 - 407 (2017)
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32.
Journal Article
Delhey, K.; Peters, A.: The effect of colour-producing mechanisms on plumage sexual dichromatism in passerines and parrots. Functional Ecology 31 (4), pp. 903 - 914 (2017)
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33.
Journal Article
Delhey, K.; Szecsenyi, B.; Nakagawa, S.; Peters, A.: Conspicuous plumage colours are highly variable. Proceedings of the Royal Society B: Biological Sciences 284 (1847), 20162593 (2017)
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34.
Journal Article
Fan, M.; Hall, M. L.; Kingma, S. A.; Mandeltort, L. M.; Hidalgo Aranzamendi, N.; Delhey, K.; Peters, A.: No fitness benefits of early molt in a fairy-wren: Relaxed sexual selection under genetic monogamy? Behavioral Ecology 28 (4), pp. 1055 - 1067 (2017)
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35.
Journal Article
Medina, I.; Delhey, K.; Peters, A.; Cain, K. E.; Hall, M. L.; Mulder, R. A.; Langmore, N. E.: Habitat structure is linked to the evolution of plumage colour in female, but not male, fairy-wrens. BMC Evolutionary Biology 17, 35 (2017)
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36.
Journal Article
Morales, H. E.; Pavlova, A.; Sunnucks, P.; Major, R.; Amos, N.; Joseph, L.; Lemmon, A. R.; Endler, J. A.; Delhey, K.: Neutral and selective drivers of colour evolution in a widespread Australian passerine. Journal of Biogeography 44 (3), pp. 522 - 536 (2017)
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37.
Journal Article
Jønsson, K. A.; Delhey, K.; Sangster, G.; Ericson, P. G. P.; Irestedt, M.: The evolution of mimicry of friarbirds by orioles (Aves: Passeriformes) in Australo-Pacific archipelagos. Proceedings of the Royal Society B: Biological Sciences 283 (1833), 20160409 (2016)
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38.
Journal Article
Dale, J.; Dey, C. J.; Delhey, K.; Kempenaers, B.; Valcu, M.: The effects of life-history and sexual selection on male and female plumage coloration. Nature 527 (7578), pp. 367 - 370 (2015)
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39.
Journal Article
Delhey, K.: The colour of an avifauna: A quantitative analysis of the colour of Australian birds. Scientific Reports 5, 18514 (2015)
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40.
Journal Article
Delhey, K.; Delhey, V.; Kempenaers, B.; Peters, A.: A practical framework to analyze variation in animal colors using visual models. Behavioral Ecology 26 (2), pp. 367 - 375 (2015)
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41.
Journal Article
Delhey, K.; Fulvio Perez, C. H.: Observations on breeding of two Furnariidae in Patagonia: White-throated Cacholote Pseudoseisura gutturalis and Patagonian Canastero Pseudasthenes patagonica. Cotinga 35, pp. 43 - 47 (2013)
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42.
Journal Article
Delhey, K.; Hall, M. L.; Kingma, S. A.; Peters, A.: Increased conspicuousness can explain the match between visual sensitivities and blue plumage colours in fairy-wrens. Proceedings of the Royal Society B: Biological Sciences 280 (1750), 20121771 (2013)
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43.
Journal Article
Delhey, K.; Smith, J.; Peters, A.: Colour-variable birds have broader ranges, wider niches and are less likely to be threatened. Journal of Evolutionary Biology 26 (7), pp. 1559 - 1568 (2013)
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44.
Journal Article
Dehnhard, N.; Ludynia, K.; Almeida, A.; Delhey, K.: A royal penguin eudyptes schlegeli in the falkland islands? Marine Ornithology 40 (2), pp. 95 - 98 (2012)
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45.
Journal Article
Johnsen, A.; Carter, K. L.; Delhey, K.; Lifjeld, J. T.; Robertson, R. J.; Kempenaers, B.: Laying-order effects on sperm numbers and on paternity: Comparing three passerine birds with different life histories. Behavioral Ecology and Sociobiology 66 (2), pp. 181 - 190 (2012)
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46.
Journal Article
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)
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47.
Journal Article
Delhey, K.; Carrizo, M.; Verniere, L.; Mahler, B.; Peters, A.: Rejection of brood-parasitic shiny cowbird Molothrus bonariensis nestlings by the firewood-gatherer Anumbius annumbi? Journal of Avian Biology 42 (5), pp. 463 - 467 (2011)
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48.
Journal Article
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)
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49.
Journal Article
Peters, A.; Magdeburg, S.; Delhey, K.: The carotenoid conundrum: Improved nutrition boosts plasma carotenoid levels but not immune benefits of carotenoid supplementation. Oecologia 166 (1), pp. 35 - 43 (2011)
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50.
Journal Article
Delhey, K.; Burger, C.; Fiedler, W.; Peters, A.: Seasonal changes in colour: A comparison of structural, melanin- and carotenoid-based plumage colours. PLoS One 5 (7), e11582 (2010)
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