The Magpie Pica pica occurs all over open agricultural areas in Poland, especially near human settlements (particularly in western Poland). The aim of this study was to estimate the size of the local Magpie population and characterize, in detail, nest site selection in a medium size city Górzów Wlkp. in the XXI century. For this study, the whole city was divided into a total of 114 squares of 1 × 1 km. Data were collected in spring 2014. A total of 474 Magpie pairs were recorded. The average density was 5.5 pairs/km2 (min = 0, max = 22 nests/square), in the non-urbanized habitat type-3.7 p/km2, and in the urbanized habitat type-13.5 p/km2. Magpie nests were found most often on Spruces Picea sp. and Poplars Populus sp. The mean height of the nest site was 11.5 m, while the mean height of trees used for nesting was 13.4 m. The type of tree arrangement most frequently used for nesting was tree rows (26.3%), followed by single trees (24.6%) and clusters of 4-10 trees (20.1%). The results for the Magpie's environmental preferences do not differ from the general patterns described earlier. The study shows that magpies can adapt to changing urbanization factors, and changes in the choice of conifers help the species to adapt to highly anthropogenic habitats.

Association Graduates of the AWF Gorzów Wielkopolski Estkowskiego Str 13 66 400 Gorzów Wielkopolski Poland

Faculty of Environmental Sciences Czech University of Life Sciences Prague Kamýcká 129 CZ 165 00 Praha Suchdol Czech Republic

Institute of Biological Sciences University of Zielona Góra Prof Z Szafrana Str 1 65 516 Zielona Góra Poland

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Chylarecki P., Chodkiewicz T., Neubauer G., Sikora A., Meissner W., Woźniak B., Wylegała P., Ławicki Ł., Marchowski D., Betleja J., et al. Trendy Liczebności Ptaków w Polsce. GIOŚ; Warszawa, Poland: 2018. p. 471. (In Polish)

Jerzak L. Sroka Pica pica w Polsce—przegląd badań. In: Jerzak L., Kavanagh B.P., Tryjanowski P., editors. Corvids of Poland. Bogucki Wyd. Nauk.; Poznań, Poland: 2005. pp. 35–51. (In Polish)

Dulisz B. Spatial structure, nest location, and densities of the Magpie Pica pica in two types of urban development in the city of Olsztyn (NE Poland) In: Jerzak L., Kavanagh B.P., Tryjanowski P., editors. Corvids of Poland. Bogucki Wyd. Nauk.; Poznań, Poland: 2005. pp. 267–286.

Kasprzykowski Z., Olton M. Gniazdowanie sroki Pica pica w środowisku miejskim oraz w krajobrazie rolniczym środków-wschodniej Polski. Not. Ornitol. 2008;49:29–38. (In Polish)

Zbyryt A., Banach J. Liczebność, zagęszczenie i charakterystyka miejsc lęgowych sroki Pica pica w Białymstoku. Ornis Pol. 2014;55:105–114. (In Polish)

Jerzak L. Synurbization of the magpie in the Palearctic. In: Marzluf J.M., Bowman R., Donnelly R., editors. Avian Ecology and Conservation in an Urbanizing World. Kluwer Academic; Norwell, MA, USA: 2001. pp. 405–427.

Olsen H., Schmidt N.M. Response of Hooded Crow Corvus corone cornix and Magpie Pica pica to exposure to artificial nests. Bird Study. 2004;51:87–90. doi: 10.1080/00063650409461337. DOI

Sage R.B., Aebischer N.J. Does best-practice crow Corvus corone and magpie Pica pica control on UK farmland improve nest success in hedgerow-nesting songbirds? A field experiment. Wildl. Biol. 2017;4:wlb.00375.

De Toledo M.C.B., Donatelli R.J., Batista G.T. Relation between green spaces and bird community structure in an urban area in Southeast Brazil. Urban. Ecosyst. 2012;15:111–131. doi: 10.1007/s11252-011-0195-2. DOI

Tatner P. Factors influencing the distribution of magpies Pica pica in an urban environment. Bird Study. 1982;29:227–234. doi: 10.1080/00063658209476763. DOI

Jokimäki J., Suhonen J., Vuorisalo T., Kövér L., Kaisanlahti-Jokimäki M.-L. Urbanization and nest-site selection of the Black-billed Magpie (Pica pica) populations in two Finnish cities: From a persecuted species to an urban exploiter. Landsc. Urban. Plan. 2017;157:577–585. doi: 10.1016/j.landurbplan.2016.08.001. DOI

Kopij G., Kosińska I. Zagęszczenie par lęgowych i miejsca gniazdowania sroki Pica pica i wrony Corvus cornix w gradiencie urbanizacji. In: Indykiewicz P., Jerzak L., Barczak T., editors. Chronić Różnorodność Biotyczną w Miastach. SAR „Pomorze”; Bydgoszcz, Poland: 2008. pp. 455–463. (In Polish)

Kövér L., Gyüre P., Balogh P., Huettmann F., Lengyel S., Juhász J. Recent colonization and nest site selection of the Hooded Crow (Corvus corone cornix L.) in an urban environment. Landsc. Urban. Plan. 2015;133:78–86. doi: 10.1016/j.landurbplan.2014.09.008. DOI

Tomiałojć L., Orłowski G., Czapulak A., Jakubiec Z. Ptaki Wrocławia. PTPP “pro Natura”; Wrocław, Poland: 2020. p. 479. (In Polish)

Wang Z., Wang Y., Jerzak L., Zhang Z. Nest site selection of the magpie Pica pica sericea in Beijing of China. Stud. Biol. 2010;4:1–12. doi: 10.30970/sbi.0401.106. DOI

Urban. Atlas Mapping Guide v 4.7. for European Urban. Atlas. European Commision, European Union; Brussels, Belgium: 2016. Regional Policy.

Guisan A., Zimmermann N.E. Predictive habitat distribution models in ecology. Ecol. Modell. 2000;135:147–186. doi: 10.1016/S0304-3800(00)00354-9. DOI

Graham M.H. Confronting multicollinearity in ecological multiple regression. Ecology. 2003;84:2809–2815. doi: 10.1890/02-3114. DOI

Box G.E.P., Cox D.R. An analysis of transformations. J. R. Stat. Soc. Ser. B. 1964;26:211–252. doi: 10.1111/j.2517-6161.1964.tb00553.x. DOI

Venables W.N., Ripley B.D. Modern Applied Statistics with S. 4th ed. Springer; New York, NY, USA: 2002.

Burnham K.P., Anderson D.R. Model Selection and Multimodel Inference: A Practical Information-Theoretic Approach. 2nd ed. Springer; New York, NY, USA: 2002.

R Development Core Team [(accessed on 23 March 2021)];R: A Language and Environment for Statistical Computing. 2019 Available online: https://www.R-project.org/

Šálek M., Grill S., Riegert J. Nest-site selection of an avian urban exploiter, the Eurasian magpie Pica pica, across the urban-rural gradient. J.Vertebr. Biol. 2020;70:jvb.20083. doi: 10.25225/jvb.20086. DOI

Jermaczek A., Czwałga T., Jermaczek D., Nowak A., Stańko R., Schneider G., Żegliński G. Ptaki lęgowe miasta Gorzowa w roku 1989. Lubuski Przegl. Przyr. 1992;3:41–69. (In Polish)

Biaduń W. Synurbijne populacje Corvidae w Lublinie. In: Jerzak L., Kavanagh B.P., Tryjanowski P., editors. Corvids of Poland. Bogucki Wyd. Nauk.; Poznań, Poland: 2005. pp. 463–472. (In Polish)

Bocheński M., Jerzak L., Czechowski P. Liczebność i zagęszczenie sroki Pica pica w Zielonej Górze w 2001 r. In: Indykiewicz P., Barczak T., Kaczorowski G., editors. Bioróżnorodność i Ekologia Populacji Zwierzęcych w Środowiskach Zurbanizowanych. Wyd. NICE; Bydgoszcz, Poland: 2001. pp. 254–259. (In Polish)

Luniak M. Synurbization—Adaption of animal wildlife to urban development. In: Shaw W.S., Harris L.K., VanDruff L., editors. Proceedings of the 4th International Symposium on Urban Wildlife Conservation; Tucson, AZ, USA; 1–5 May 1999. Tucson, AZ, USA: University of Arizona; 2004. pp. 50–55.

Meissner W., Duś U. Liczebność i rozmieszczenie gniazd sroki Pica pica w wybranych dzielnicach Gdańska. In: Jerzak L., Kavanagh B.P., Tryjanowski P., editors. Corvids of Poland. Bogucki Wyd. Nauk.; Poznań, Poland: 2005. pp. 517–522. (In Polish)

Witt K. On the abundance of magpie Pica pica during the breeding and wintering seasons in Berlin. Acta Ornith. 1997;32:121–127.

Lockwood J.L., McKinney M.L. Biotic Homogenization. Kluwer Academic/Plenum; New York, NY, USA: 2001.

Geslin B., Gauzens B., Thébault E., Dajoz I. Plant Pollinator Networks along a Gradient of Urbanisation. PLoS ONE. 2013;8:e63421. doi: 10.1371/journal.pone.0063421. PubMed DOI PMC

Pakuła B., Sala M., Gwiazda E., Flak J., Froelich S., Matuszkiewicz J., Plonkowska M. Liczebność i zagęszczenie oraz lokalizacja gniazd sroki Pica pica w Kołobrzegu, Lęborku i Słupsku w latach 2000–2004. In: Jerzak L., Kavanagh B.P., Tryjanowski P., editors. Corvids of Poland. Bogucki Wyd. Nauk.; Poznań, Poland: 2005. pp. 523–530. (In Polish)

Doo Pyo L., Tae Hoe K. A comparative study of the breeding density of magpie Pica pica sericea Gould, between urban and rural areas. Bull. Inst. Ornithol. Kyung Hee Univ. 1986;1:39–51.

Birkhead T. The Magpies. T&AD Poyser; London, UK: 1991.

Jerzak L. Magpie Pica pica nest sites in urban habitats in Poland. Acta Ornith. 1997;32:69–76.

Czechowski P., Bocheński M., Zduniak P. Zmiany lokalizacji gniazd sroki Pica pica w krajobrazie rolniczym zachodniej Polski. In: Grzywaczewski G., Wiącek J., Nieoczym M., Polak M., editors. Ornitologia w Skali Lokalnej i Globalnej. Liber Duo; Lublin, Poland: 2017. pp. 13–14. (In Polish)

Antonov A., Atanasova D. Nest-Site Selection in the Magpie Pica pica in a High-Density Urban Population of Sofia (Bulgaria) Acta Ornith. 2002;37:55–66. doi: 10.3161/068.037.0201. DOI

Jerzak L. Synurbizacja Sroki (Pica pica) w Eurazj. Redakcja Wydawnictw Naukowo-Technicznych; Zielona Góra, Poland: 2002. p. 114. (In Polish)

Mérő T.O., Žuljević A., Varga K. Nest-site characteristics and breeding density of Magpie Pica pica in Sombor (NW Serbia) Acrocephalus. 2010;31:93–99. doi: 10.2478/v10100-010-0006-5. DOI

Spatial Overlap and Habitat Selection of Corvid Species in European Cities