Ornis Polonica 2013, 54: 1–11
Extinction of breeding population of the Hen Harrier Circus cyaneus in Poland
Łukasz Ławicki, Jan Lontkowski, Przemysław Wylegała, Piotr Zieliński
Ornis Polonica 2013, 54: 12–24
Changes in abundance and nest location of the Magpie Pica pica and Hooded Crow Corvus cornix from 1974 to 2009 in Warsaw
Andrzej Węgrzynowicz
Ornis Polonica 2013, 54: 25–39
Distribution and numbers of breeding Rook Corvus frugilegus colonies in the Podlaskie province in 2012
Adam Zbyryt, Małgorzata Zbyryt, Paweł Siwak, Zbigniew Kasprzykowski
Ornis Polonica 2013, 54: 40–49
Breeding bird atlases of European urban areas – a review of research
Maciej Luniak
Ornis Polonica 2013, 54: 50–58
Selected breeding birds of the Niepołomice Forest in 2004–2011
Tomasz Wilk, Rafał Bobrek, Katarzyna Paciora, Sławomir Sprinter
Ornis Polonica 2013, 54: 58–62
The use of artificial nesting platforms by Black Terns Chlidonias niger and White-winged Terns Ch. leucopterus in an old river-bed of the Bug
Emilia Mróz, Artur Goławski, Zbigniew Kasprzykowski
Ornis Polonica 2013, 54: 62–64
Second record of the White-rumped Sandpiper Calidris fuscicollis in Poland
Marcin Sołowiej, Zbigniew Kajzer
Ornis Polonica 2013, 54: 64–67
First wintering record of the Avocet Recuvirostra avosetta in Poland
Grzegorz Orłowski, Wiesław Lenkiewicz
Ornis Polonica 2013, 54: 68–69
Mystery bird 70: Amur Falcon Falco amurensis
Jan Lontkowski
Ornis Polonica 2013, 54: 70-75
Numbers of waterbirds in the Bay of Gdańsk between May 2011 - April 2012
Włodzimierz Meissner, Ewelina Kurach, Szymon Bzoma, Andrzej Kośmicki
