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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[...]
Article
Bartłomiej Gołdyn, Auteur ; Zofia Książkiewicz-Parulska, Auteur ; Piotr Zduniak, AuteurABSTRACT The diet of nestling Hooded Crows (Corvus cornix) was investigated in Warta Mouth National Park (W Poland) in the breeding season of 2003. We analyzed 82 food samples of which 79% contained snails and bivalves. Hooded Crows prefer Vivip[...]
Article
Reuven Yosef, Auteur ; Piotr Zduniak, AuteurSea shores are important habitats for waterbirds but also prime targets of human development. Habitat alterations can be off-set by alternative feeding habitats such as salt pans and understanding them is important for conservation purposes. We [...]
Article
Piotr Zduniak, Auteur ; Reuven Yosef, AuteurWe analysed data for the Common Quail (Coturnix coturnix) caught by the ringing program at Eilat, Southern Israel, to understand age and sex related phenology of migration and biometric differences in the only long-distance migratory Phasianidae[...]
Article
Piotr Zduniak, Auteur ; Reuven Yosef, AuteurWe studied the migration patterns of Red-throated (Anthus cervinus) and Tree Pipits (A. trivialis) ringed during 25 years at Eilat, Israel. The number of migrants was four times greater in spring than in autumn for the Tree Pipit but was similar[...]
Article
Lechoslaw Kuczynski, Auteur ; Piotr Zduniak, Auteur
Article
Piotr Zduniak, AuteurThis paper examines how flooded river valley conditions affect reproductive success of Hooded Crows Corvus cornix nesting in the biotope considered as primary for this species. The main goals of the present study were to determine the nesting pe[...]
