Ornis Polonica 2017, 58: 1–11
Changes in the abundance of waterbirds in the Narew and the Bug Valleys
Zbigniew Kasprzykowski, Adam Dmoch, Artur Goławski, Radosław Kozik, Cezary Mitrus
Ornis Polonica 2017, 58: 12–25
Current status and population trends of selected bird species breeding in the Warta Valley in the Rogaliński Landscape Park
Natalia Królikowska
Ornis Polonica 2017, 58: 26–34
Decline of the Bluethroat Luscinia svecica population in the Jezioro Karaś nature reserve
Grzegorz Neubauer, Piotr Zieliński, Jakub Typiak, Artur Niemczyk
Ornis Polonica 2017, 58: 35–43
Avian influenza dangerous zoonosis transmitted by free-living birds – history and current status
Marian Flis
Ornis Polonica 2017, 58: 44–52
First record of the Siberian Stonechat Saxicola maurus in Poland and some notes on its identification
Marcin Faber, Tomasz Cofta
Ornis Polonica 2017, 58: 52–54
The House Martin Delichon urbicum occupies an active nest of the Black Redstart Phoenicurus ochruros
Kamil Kryński
Ornis Polonica 2017, 58: 55–57
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
Ornis Polonica 2017, 58: 58–59
Mystery bird 86
Jan Lontkowski