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Article
Michał Budka, Auteur ; Marta Piasecka, Auteur ; Joanna Teresa Białas, Auteur ; Patryk Kokociński, Auteur ; Paweł Podkowa, Auteur ; Adrian Surmacki, Auteur ; Paweł Szymański, Auteur ; Urszula Sobczyńska, Auteur ; Tomasz Stanisław Osiejuk, AuteurOur current understanding of the function of coordinated acoustic displays usually comes from studies conducted over a short period of the breeding season. However, the function of particular types of vocalizations may vary according to sex and [...]
Article
Paweł Podkowa, Auteur ; Adrian Surmacki, AuteurNatural light plays an important role in many aspects of birds’ biology, ecology and behaviour. Wild birds experience various light conditions, both in terms of its intensity and spectral properties, which vary within the nesting habitat of avia[...]
Article
Adrian Surmacki, Auteur ; Piotr Zduniak, Auteur ; Łukasz Dylewski, Auteur ; Patrycja Nowakowska, Auteur ; Łukasz Myczko, AuteurWe investigated potential information content in red carotenoid-based undertail coverts of 28 pairs of breeding Great Spotted Woodpeckers by comparing plumage reflectance to measures of body condition and reproductive success. Plumage coloration[...]
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Adrian Surmacki, Auteur ; Piotr Minias, Auteur ; Karolina Kudelska, AuteurDans Ibis (163(2) 2021)Melanin is the most common pigment in avian plumage and has various functions, including signalling individual condition, social status, aiding in camouflage and strengthening feathers. To date, most research focusing on melanin-based colours ha[...]
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Piotr Minias, Auteur ; Adrian Surmacki, Auteur ; Karolina Kudelska, Auteur ; Patrycja Podlaszczuk, Auteur ; Maciej Kamiński, Auteur ; Krzysztof Kaczmarek, Auteur ; Radosław Włodarczyk, Auteur ; Tomasz Janiszewski, AuteurDans Ibis (160(1) 2018)There is increasing evidence that melanin-based plumage coloration correlates with different components of fitness and that it may act as a social or sexual signal of individual quality. We analysed variation in melanin pigmentation in the outer[...]
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Adrian Surmacki, Auteur ; Janusz Stepniewski, Auteur ; Małgorzata Stępniewska, AuteurSexual selection in juvenile vertebrates is a rare and seldom studied phenomenon. Bearded Reedlings are passerines that form stable, life-long pair bonds within a few weeks after fledging. We investigated the degree to which juvenile Bearded Ree[...]
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Adrian Surmacki, Auteur ; Grzegorz Lorek, Auteur ; Piotr Tryjanowski, Auteur
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Adrian Surmacki, Auteur ; Jakub Z. Kosicki, Auteur
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Adrian Surmacki, Auteur
Article
Adrian Surmacki, Auteur ; Mark Liu, Auteur ; Austin Mercadante, Auteur ; Geoffrey E. Hill, AuteurWe used observations of male eastern bluebirds captured twice within a breeding season to test whether changes in structural coloration are related to feather abrasion. Between first and second broods, the UV chroma and brightness of feathers de[...]
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Adrian Surmacki, AuteurThe plumage coloration of wild birds often changes during the breeding season. One of the possible reasons for this is that sunlight, and particularly ultraviolet (UV) wavelengths, degrades the pigments responsible for plumage coloration. It has[...]
