Numbers, density and breeding success of the Lesser Spotted Eagle Clanga pomarina in the Knyszyn Forest (NE Poland) in 1999–2015 Adam Zbyryt, Edyta Kapowicz, Robert Kapowicz, Karol Zub 237–247, https://doi.org/10.12657/ornis.2016.4.1
Numbers and distribution of Lapwings Vanellus vanellus and Golden Plovers Pluvialis apricaria in Poland in autumn 2014 Włodzimierz Meissner, Arkadiusz Sikora, Jacek Antczak, Sebastian Guentzel, Przemysław Wylegała 248–263, https://doi.org/10.12657/ornis.2016.4.2
Spring migration dynamics, phenology and sex ratio of Pochard Aythya ferina and Tufted Duck A. fuligula at the Okolowice fish ponds (SE Poland) Grzegorz Kaczorowski 264–273, https://doi.org/10.12657/ornis.2016.4.3
Next update of systematics and taxonomy of the Polish bird checklist Tadeusz Stawarczyk 274–278, https://doi.org/10.12657/ornis.2016.4.4
First results of colour-ringing of Common Crane Grus grus nestlings in Poland Bartosz Krąkowski, Hubert Czarnecki 279–285, https://doi.org/10.12657/ornis.2016.4.5
Joint brood parental care by a female House Sparrow Passer domesticus and a pair of Tree Sparrows P. montanus Kamil Kryński 286–289, https://doi.org/10.12657/ornis.2016.4.6
Reedman R. 2016. Lapwings, Loons and Lousy Jacks: The How and Why of Bird Names. Pelagic Publishing, Exeter Piotr Tryjanowski 290–291, https://doi.org/10.12657/ornis.2016.4.7
