Changes in the abundance of waterbirds in the Narew and the Bug Valleys Zbigniew Kasprzykowski, Adam Dmoch, Artur Goławski, Radosław Kozik, Cezary Mitrus 1–11, https://doi.org/10.12657/ornis.2017.1.1
Current status and population trends of selected bird species breeding in the Warta Valley in the Rogaliński Landscape Park Natalia Królikowska 12–25, https://doi.org/10.12657/ornis.2017.1.2
Decline of the Bluethroat Luscinia svecica population in the Jezioro Karaś nature reserve Grzegorz Neubauer, Piotr Zieliński, Jakub Typiak, Artur Niemczyk 26–34, https://doi.org/10.12657/ornis.2017.1.3
Avian influenza dangerous zoonosis transmitted by free-living birds – history and current status Marian Flis 35–43, https://doi.org/10.12657/ornis.2017.1.4
First record of the Siberian Stonechat Saxicola maurus in Poland and some notes on its identification Marcin Faber, Tomasz Cofta 44–52, https://doi.org/10.12657/ornis.2017.1.5
The House Martin Delichon urbicum occupies an active nest of the Black Redstart Phoenicurus ochruros Kamil Kryński 52–54, https://doi.org/10.12657/ornis.2017.1.6
Flousek J., Gramsz B., Telenský T. 2015. Ptaki Karkonoszy – atlas ptaków lęgowych 2012–2014. Správa KRNAP Vrchlabí, Dyrekcja KPN, Jelenia Góra, pp. 480 Romuald Mikusek 55–57, https://doi.org/10.12657/ornis.2017.1.7
