Ornis Polonica 2013, 54: 159–169
Cuckoo’s Cuculus canorus hosts and timing of breeding in Poland: analysis of ringing and nest records’ data
Tomasz Wesołowski, Tomasz Mokwa
Ornis Polonica 2013, 54: 170–186
Valuable and scarce breeding birds of the Special Protection Area Knyszyn Forest
Tomasz Tumiel, Paweł Białomyzy, Grzegorz Grygoruk, Michał Korniluk, Piotr Świętochowski, Marcin Wereszczuk, Michał Skierczyński
Ornis Polonica 2013, 54: 187–195
Breeding bird community of the Błędów Desert in the succession gradient
Damian Kurlej, Michał Ciach
Ornis Polonica 2013, 54: 196–204
Increased detection of the Jay Garrulus glandarius by sound stimulation
Tomasz Wilżak
Ornis Polonica 2013, 54: 205–208
High density of the Barred Warbler Sylvia nisoria in the Biebrza Basin in 2012 and 2013
Michał Polakowski
Ornis Polonica 2013, 54: 208–212
High numbers of the Spotted Crake Porzana porzana at the Rozwarowo Marshes IBA in 2011 – a comment to survey methodology
Dominik Marchowski
Ornis Polonica 2013, 54: 212–217
Occurrence of the Tawny Owl Strix aluco in Warsaw in 2005–2010
Jakub Gryz, Dagny Krauze-Gryz
Ornis Polonica 2013, 54: 217–219
Second record of the Ross’s Gull Rhodostethia rosea in Poland
Piotr Nagórski, Magdalena Hadwiczak
Ornis Polonica 2013, 54: 219–221
Record of the Little Bustard Tetrax tetrax in the Lublin province
Marcin Przepiórka
Ornis Polonica 2013, 54: 222–223
Mystery bird 72: Pine Bunting Emberiza leucocephalos
Jan Lontkowski