Ornis Polonica 2018, 59: 171–182
The breeding population of the Rook Corvus frugilegus in Warmia and Mazury
Adam Zbyryt, Dawid Cząstkiewicz, Sebastian Menderski, Marian Szymkiewicz
Ornis Polonica 2018, 59: 183–196
Population size of the Red-breasted Flycatcher Ficedula parva in the SPA Darżlubska Forest (N Poland)
Arkadiusz Sikora, Grzegorz Neubauer, Waldemar Półtorak, Zenon Rohde
Ornis Polonica 2018, 59: 197–210
Occurrence of the Taiga Bean Goose Anser fabalis and Tundra Bean Goose A. serrirostris in the Biebrza Basin (NE Poland)
Łukasz Krajewski
Ornis Polonica 2018, 59: 211–222
Occurrence of the Pink-footed Goose Anser brachyrhynchus in Pomerania
Arkadiusz Sikora, Zbigniew Kajzer
Ornis Polonica 2018, 59: 222–225
High densities of the European Nightjar Caprimulgus europaeus territories in windthrow areas of the Przedbórz Forest (Central Poland)
Piotr Dębowski, Marcin Wężyk
Ornis Polonica 2018, 59: 226–229
Records of the Bearded Vulture Gypaetus barbatus in the Tatra Mountains
Antoni Zięba, Filip Wacyk
