Ornis Polonica 2020, 61: 71–87
Distribution and abundance of the European Nightjar Caprimulgus europaeus in the SPA Natura 2000 Wielki Sandr Brdy
Arkadiusz Sikora, Grzegorz Neubauer, Karolina Lubińska, Tomasz Chodkiewicz
Ornis Polonica 2020, 61: 88–116
Changes in the breeding avifauna of Dolina Dolnej Skawy
Damian Wiehle
Ornis Polonica 2020, 61: 117–142
Rare birds recorded in Poland in 2019
Komisja Faunistyczna
Ornis Polonica 2020, 61: 143–145
The first record of the Blyth’s Pipit Anthus godlewskii in Poland
Samuel Sosnowski, Szymon Czyżewski
Ornis Polonica 2020, 61: 146–152
Wintering of the Mistle Thrush Turdus viscivorus in the urban areas of Bydgoszcz in 2017/2018
Andrzej Dylik
