Acta Ornithologica

Egg size variation in Blue Tits Cyanistes caeruleus and Great Tits Parus major in relation to habitat differences in snail abundance
pp. 121-129(9)
Authors: Bańbura, Mirosława; Sulikowska-Drozd, Anna; Kaliński, Adam; Skwarska, Joanna; Wawrzyniak, Jarosław; Kruk, Andrzej; Zieliński, Piotr; Bańbura, Jerzy

Variation in autumn migration strategy in the first-year Wood Sandpipers Tringa glareola
pp. 131-138(8)
Authors: Minias, Piotr; Kaczmarek, Krzysztof; Włodarczyk, Radosław; Janiszewski, Tomasz

Nest construction costs affect nestling growth: a field experiment in a cavity-nesting passerine
pp. 139-145(7)
Authors: Moreno, Juan; Lobato, Elisa; González-Braojos, Sonia; Castañeda, Rafael Ruiz-de

Note types and coding in parid vocalizations: the chick-a-dee call of the Mexican Chickadee Poecile sclateri
pp. 147-160(14)
Authors: Moscicki, Michele K.; Hoeschele, Marisa; Sturdy, Christopher B.

Measurement error revisited: its importance for the analysis of size and shape of birds
pp. 161-172(12)
Authors: Perktaş, Utku; Gosler, Andrew G.

Foraging range and habitat use by Aquatic Warblers Acrocephalus paludicola during a fall migration stopover
pp. 173-180(8)
Authors: Provost, Pascal; Kerbiriou, Christian; Jiguet, Frédéric

Feeding effort of male Tawny Owls Strix aluco follows a fixed schedule: a field experiment in the early nestling period
pp. 181-188(8)
Authors: Sasvári, Lajos; Hegyi, Zoltán

Song variability in Pied Flycatchers Ficedula hypoleuca: impact of the sympatry with Collared Flycatchers F. albicollis
pp. 189-202(14)
Authors: Vabishchevich, Anastasia P.; Formozov, Nikolai A.

Ringing procedure can reduce the burden of feather lice in Barn Swallows Hirundo rustica
pp. 203-207(5)
Authors: Vas, Zoltán; Fuisz, Tibor István

Breeding bird dynamics in a primeval temperate forest over thirty-five years: variation and stability in the changing world
pp. 209-232(24)
Authors: Wesołowski, Tomasz; Mitrus, Cezary; Czeszczewik, Dorota; Rowiński, Patryk

A columbid-like avian foot from the Oligocene of Poland
pp. 233-236(4)
Authors: Bocheński, Zbigniew M.; Tomek, Teresa; Świdnicka, Ewa