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Article
Lucyna Halupka, Auteur ; Kaja Wierucka, Auteur ; Hanna Sztwiertnia, Auteur ; Ewelina Klimczuk, AuteurWeather is an important factor affecting many aspects of avian ecology, yet its importance for survival during various periods of the avian annual cycle has received relatively little attention and remains poorly understood. We have investigated[...]
Article
Grzegorz Orłowski, Auteur ; Lucyna Hałupka, Auteur ; Ewelina Klimczuk, Auteur ; Hanna Sztwiertnia, AuteurOver four study years we have investigated hatching success and failure, the presence of an embryo and other egg biometrics, and eggshell thickness of the Eurasian Reed Warbler Acrocephalus scirpaceus. Of 1354 eggs from 350 nests, 940 (69.4 %) s[...]
Article
Grzegorz Orłowski, Auteur ; Lucyna Hałupka, Auteur ; Ewelina Klimczuk, Auteur ; Hanna Sztwiertnia, AuteurOver four study years we have investigated hatching success and failure, the presence of an embryo and other egg biometrics, and eggshell thickness of the Eurasian Reed Warbler Acrocephalus scirpaceus. Of 1354 eggs from 350 nests, 940 (69.4 %) s[...]
Article
Grzegorz Orłowski, Auteur ; Lucyna Hałupka, Auteur ; Ewelina Klimczuk, Auteur ; Hanna Sztwiertnia, AuteurOver four study years we have investigated hatching success and failure, the presence of an embryo and other egg biometrics, and eggshell thickness of the Eurasian Reed Warbler Acrocephalus scirpaceus. Of 1354 eggs from 350 nests, 940 (69.4 %) s[...]
Article
Ewelina Klimczuk, Auteur ; Lucyna Halupka, Auteur ; Beata Czyz, Auteur ; Marta Borowiec, Auteur ; Jacek J. Nowakowski, Auteur ; Hanna Sztwiertnia, AuteurBiparental incubation is a common pattern of parental care in birds. Within species with biparental incubation, the contribution of each sex can vary widely. Many studies have addressed the factors that influence variation in female incubation b[...]
Article
Grzegorz Orłowski, Auteur ; Lucyna Hałupka, Auteur ; Przemysław Pokorny, Auteur ; Ewelina Klimczuk, Auteur ; Hanna Sztwiertnia, Auteur ; Wojciech Dobicki, AuteurPublished information relating to changes in the chemical element content of avian eggs caused by embryonic development is extremely scarce, although it may be crucial for understanding both the presence of anthropogenic pollutants as well as ph[...]
Article
Lucyna Hałupka, Auteur ; Hanna Sztwiertnia, Auteur ; Magdalena Marczuk, Auteur ; Alicja Dziachan, Auteur ; Anna Kosmowska, Auteur ; Ewelina Klimczuk, Auteur ; Konrad Halupka, AuteurProper ageing of the young birds is crucial in all studies examining age-related characteristics of nestlings and parental effort at the nestling stage. When nests are found after hatching, the age of nestlings cannot be calculated as a time int[...]
Article
Lucyna Halupka, Auteur ; Hanna Sztwiertnia, Auteur ; Marta Borowiec, Auteur ; Ewelina Klimczuk, Auteur ; Bernd Leisler, AuteurSo far discussions on the occurrence of polygyny have been conducted on an inter-specific or individual level. In this paper we analyse differences in polygyny rate between different populations of Eurasian Reed Warblers. We provide evidence tha[...]
