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Article
A. M. Stoehr, Auteur ; G. E. Hill, AuteurThe majority of studies examining the role of hormones in the proximate mechanisms of plumage coloration in birds have focused on intersexual differences (plumage dichromatism) and on structural- or melanin-based plumage coloration. The relation[...]
Article
A. M. Stoehr, Auteur ; K. J. McGraw, Auteur ; P. M. Nolan, Auteur ; G. E. Hill, AuteurStudies that quantify parental care in birds are often faced with the confounding effects of variation in brood size. That is, nestlings from broods of varying sizes may receive different quantities of food for reasons not entirely related to th[...]
Article
K. J. McGraw, Auteur ; A. M. Stoehr, Auteur ; P. M. Nolan, Auteur ; G. E. Hill, AuteurDarwin (1871) and later Fisher (1958) suggested that sexual selection can drive the evolution of ornamental traits in monogamous species when female preferences for these traits allow well-ornamented males to begin breeding earlier in a season a[...]
