Kaspar Delhey

Females increase offspring heterozygosity and fitness through extra-pair matings

Katharina Foerster, Kaspar Delhey, Arild Johnsen et al. · Nature · 2003 · 538 citations

Breeding Behavior, Fitness, Medicine +10

The effects of life history and sexual selection on male and female plumage colouration

James Dale, Cody J. Dey, Kaspar Delhey et al. · Nature · 2015 · 386 citations

Biology, Breeding Behavior, Female Plumage Colouration +10

Plumage colour in nestling blue tits: sexual dichromatism, condition dependence and genetic effects

Arild Johnsen, Kaspar Delhey, Staffan Andersson et al. · Proceedings of the Royal Society B Biological Sciences · 2003 · 174 citations · Full text

Carotenoid-based bill colour as an indicator of immunocompetence and sperm performance in male mallards

Anne Peters, Angelika G. Denk, Kaspar Delhey et al. · Journal of Evolutionary Biology · 2004 · 161 citations · Full text

Fertility, Fitness, Genetics +24

Paternity analysis reveals opposing selection pressures on crown coloration in the blue tit (<i>Parus caeruleus</i>)

Kaspar Delhey, Arild Johnsen, Anne Peters et al. · Proceedings of the Royal Society B Biological Sciences · 2003 · 142 citations · Full text