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Article
Miklós Laczi, Auteur ; Márton Herényi, Auteur ; Gergely Hegyi, Auteur ; János Török, AuteurAlbinism is a remarkably rare colour deficiency among natural populations of bird species. Here we document the first record of true albinism in a wild population of Collared Flycatchers Ficedula albicollis. We found a nest of two albino and thr[...]
Article
Rita Hargitai, Auteur ; Márton Herényi, Auteur ; Gergely Nagy, Auteur ; Zoltán Nyiri, Auteur ; Zsuzsanna Eke, Auteur ; János Török, AuteurAvian mothers can influence the fitness of their offspring by resource investment into the egg. Allocation of macro- and micronutrients into the eggs may be costly for the female, therefore, we expect that resource investment may be affected by [...]
Article
Rita Hargitai, Auteur ; Gergely Nagy, Auteur ; Márton Herényi, Auteur ; Janos Toeroek, AuteurMany bird species lay eggs speckled with protoporphyrin-based spots, however, for most of them the function of eggshell spotting is unknown. A plausible hypothesis is that protoporphyrin might have a structural function in strengthening the eggs[...]
Article
Rita Hargitai, Auteur ; Márton Herényi, Auteur ; János Török, AuteurThe blue-green eggshell pigment biliverdin is an efficient antioxidant, the deposition of which may be costly and act as a handicap to the female's antioxidant capacity. Thus, it is hypothesized that there exists a positive correlation between t[...]
