Ornis Polonica 2010, 51: 171–181
Breeding ecology of the Barn Swallow Hirundo rustica in Poland – nest record card analysis
Paweł Czechowski
Ornis Polonica 2010, 51: 182–194
Wintering of the Water Rail Rallus aquaticus, Snipe Gallinago gallinago and Woodcock Scolopax rusticola in northern Poland with comments on their detection method in winter
Arkadiusz Sikora
Ornis Polonica 2010, 51: 195–203
Seasonal and long-term changes in numbers of the Herring Gull Larus argentatus, Caspian Gull L. cachinnans and Yellow-legged Gull L. michahellis in the Upper Vistula River Valley
Damian Wiehle, Grzegorz Neubauer
Ornis Polonica 2010, 51: 204–219
Numbers and distribution of geese in Lower Silesia during migration and wintering in 2009/2010
Andrzej Wuczyński, Bartosz Smyk
Ornis Polonica 2010, 51: 220–225
Changes in the abundance of chosen breeding species on the fishponds of Siedlce in 1997–2009
Artur Goławski
Ornis Polonica 2010, 51: 225–229
The second and third record of the Black Scoter Melanitta americana in Poland
Zbigniew Kajzer, Michał Skakuj
Ornis Polonica 2010, 51: 230–234
White-backed Woodpecker Dendrocopos leucotos and Three-toed Woodpecker Picoides tridactylus in the Beskid Średni Mountains (SE Poland)
Marcin Matysek, Łukasz Kajtoch
Ornis Polonica 2010, 51: 234–236
Records of hybrid Grey Heron Ardea cinerea and Great White Egret Egretta alba in the Warta Mouth National Park
Zbigniew Kajzer, Sławomir Rubacha
Ornis Polonica 2010, 51: 237–238
Mystery bird 60: Short-billed Dowitcher Limnodromus griseus
Jan Lontkowski
Ornis Polonica 2010, 51: 239–240
Chylarecki P., Sikora A., Cenian Z. (red.). 2009. Monitoring ptaków lęgowych. Poradnik metodyczny dotyczący gatunków chronionych Dyrektywą Ptasią. GIOŚ, Warszawa
Łukasz Ławicki
