Ornis Polonica 2015, 56: 149–189
Population estimates of breeding birds in Poland in 2008–2012
Tomasz Chodkiewicz, Lechosław Kuczyński, Arkadiusz Sikora, Przemysław Chylarecki, Grzegorz Neubauer, Łukasz Ławicki, Tadeusz Stawarczyk
Ornis Polonica 2015, 56: 190–211
Rare and uncommon breeding birds in the Special Protection Area Napiwodzko-Ramucka Forest (N Poland)
Arkadiusz Sikora, Marian Szymkiewicz, Andrzej Górski, Grzegorz Neubauer
Ornis Polonica 2015, 56: 212–219
Assessment of the number of breeding pairs of the Common Sandpiper Actitis hypoleucos depending of the survey method
Marek Elas, Krzysztof Kajzer, Mateusz Grzębkowski, Artur Koliński, Andrzej Różycki, Dawid Sikora, Łukasz Wardecki, Andrzej Węgrzynowicz
Ornis Polonica 2015, 56: 220–238
Impact of air traffic on birds (part II)
Michał Skakuj, Ignacy Kitowski, Dorota Łukasik
Ornis Polonica 2015, 56: 239–247
The advancement in studies on avian malaria driven by molecular techniques
Adam Krupski
Ornis Polonica 2015, 56: 248–249
Mystery bird 80
Jan Lontkowski
