Ornis Polonica 2018, 59: 1–16
Autumn migration of birds of prey in the Polish part of the Carpathians
Tomasz Wilk, Rafał Bobrek, Aleksandra Pępkowska-Król
Ornis Polonica 2018, 59: 17–55
Breeding avifauna of the SPA the Middle Warta Valley – current situation and changes in 1975–2015
Aleksander Winiecki, Sławomir Mielczarek
Ornis Polonica 2018, 59: 56–70
The impact of drones on birds and their application in ornithological research and conservation
Adam Zbyryt
Ornis Polonica 2018, 59: 71–77
Update of the taxonomy of the Polish bird checklist according to the IOC
Tadeusz Stawarczyk
Ornis Polonica 2018, 59: 78–81
The first record of the Slaty-backed Gull Larus schistisagus in Poland
Błażej Nowak
Ornis Polonica 2018, 59: 81–87
Sarcocystosis in a male of the Mallard Anas platyrhynchos
Marian Flis, Eugeniusz R. Grela