The impact of wind energy facilities on grouse: a systematic review Joy CoppesVeronika BraunischUrsula Nopp-Mayr Review 01 August 2019 Pages: 1 - 15
A re-evaluation of the chemical composition of avian urinary excreta Nicholas M. A. CrouchVincent M. LynchJulia A. Clarke Original Article 05 August 2019 Pages: 17 - 24
Changes in blood biochemistry of incubating Baltic Common Eiders (Somateria mollisima) Svend-Erik GarbusJens Peter ChristensenChristian Sonne Original Article 03 September 2019 Pages: 25 - 33
Experimental reduction of nestling hemoglobin concentration in combination with ectoparasite load manipulation affects nestling morphology and begging behavior, but not adult behavior Ilsa A. GriebelRussell D. Dawson Original Article 03 September 2019 Pages: 35 - 45
Anosmic migrating songbirds demonstrate a compensatory response following long-distance translocation: a radio-tracking study Dmitry KishkinevAnna AnashinaRichard A. Holland Original Article Open access 06 August 2019 Pages: 47 - 57
Barrier effects of mountain ranges for broad-front bird migration Janine AschwandenMatthias SchmidtFelix Liechti Original Article 09 September 2019 Pages: 59 - 71
Seasonal and diurnal increases in energy stores in migratory warblers at an autumn stopover site along the Asian–Australasian flyway Martha Maria SanderWieland HeimHeiko Schmaljohann Original Article 21 August 2019 Pages: 73 - 87
Stopover ecology of autumn-migrating Bluethroats (Luscinia svecica) in a highly anthropogenic river basin Philippe FontanillesIván De la HeraChristian Kerbiriou Original Article 28 September 2019 Pages: 89 - 101
Apparent survival, growth rate and dispersal in a declining European Roller population Juan Rodríguez-RuizMónica Expósito-GranadosDeseada Parejo Original Article 08 August 2019 Pages: 103 - 113
Population genetics of the Plumbeous Sierra-finch (Geospizopsis unicolor) across the Ecuadorian paramos: uncovering the footprints of the last ice age Elisa BonaccorsoCarlos Rodríguez-SaltosJesús Muñoz Original Article 13 August 2019 Pages: 115 - 123
Molecular evidence of extra-pair paternity and intraspecific brood parasitism by the Magellanic Penguin (Spheniscus magellanicus) Anna Carolina Milo MarascoJoão Stenghel MorganteGisele Pires de Mendonça Dantas Original Article 26 September 2019 Pages: 125 - 135
A multi-isotope and morphometric analysis to uncover ecological niche divergence in two endemic island birds from Madagascar: the Dark and Common Newtonia (Vangidae) Elizabeth YohannesFriederike Woog Original Article 08 August 2019 Pages: 137 - 147
Age-related differences in diet and foraging behavior of the critically endangered Mariana Crow (Corvus kubaryi), with notes on the predation of Coenobita hermit crabs Sarah K. FaegreLindsey NietmannRenee R. Ha Original Article 06 September 2019 Pages: 149 - 158
Low food abundance prior to breeding results in female-biased sex allocation in Tengmalm’s Owl (Aegolius funerus) Marek KoubaAdam DušekKarel Šťastný Original Article 06 September 2019 Pages: 159 - 170
Returning for more prey? Foraging in provisioning male Boreal Owls (Aegolius funereus) Rune SøråsOda A. GundersenGeir A. Sonerud Original Article 06 September 2019 Pages: 171 - 181
Age-, sex- and tactic-specific kleptoparasitic performance in a long-lived seabird Germán O. GarcíaCarla A. PaterliniSandra Bouwhuis Original Article 16 October 2019 Pages: 183 - 188
Hummingbird-plant visitation networks in agricultural and forested areas in a tropical dry forest region of Guatemala Michelle Bustamante-CastilloBlanca Estela Hernández-BañosMaría del Coro Arizmendi Original Article 17 September 2019 Pages: 189 - 201
From plants to feces: pilot applications of FTIR spectroscopy for studies on the foraging ecology of an avian herbivore U. Nopp-MayrM. Zohmann-NeubergerE. Smidt Original Article Open access 25 September 2019 Pages: 203 - 215
The Central Andes of Peru: a key area for the conservation of Polylepis forest biodiversity Harold Rusbelth Quispe-MelgarC. Steven Sevillano-RíosMichael Kessler Original Article 21 August 2019 Pages: 217 - 228
The effects of climate change on the distribution of South American antbirds (Thamnophilus punctatus complex) as affected by niche divergences and contact zone interactions between species Erasmo Andrade da SilvaHelder Farias Pereira de AraujoAlexandre M. Fernandes Original Article 28 September 2019 Pages: 229 - 241
Bird services applicable to mine restoration: a case study of Sand Martin (Riparia riparia) burrow construction Zoë RohrerSalvador RebolloJuan Franco Original Article 17 September 2019 Pages: 243 - 255
Moult and plumage patterns of the critically endangered Yellow-breasted Bunting (Emberiza aureola) at a stopover site in Korea Jong-Gil ParkChang-Uk ParkDongh-Ha Nam Original Article 26 September 2019 Pages: 257 - 266
Embryonic development of the Little Owl (Athene noctua) and Tengmalm’s Owl (Aegolius funereus) compared to the American Barn Owl (Tyto furcata): reference data for staging Markus KringsElena Müller-LimbergerHermann Wagner Original Article 26 September 2019 Pages: 267 - 273
Who pays the bill? The effects of altered brood size on parental and nestling physiology Emily Cornelius RuhsFrançois VézinaWilliam H. Karasov Original Article 04 October 2019 Pages: 275 - 288
Sexual dichromatism of the Blue-throated Starfrontlet, Coeligena helianthea, hummingbird plumage Juliana SosaJuan L. ParraMarco A. Giraldo Original Article Open access 09 September 2019 Pages: 289 - 296
Mitochondrial phylogeography of the genus Eremophila confirms underestimated species diversity in the Palearctic Fatemeh GhorbaniMansour AliabadianPer Alström Original Article 27 September 2019 Pages: 297 - 312
A new Myzomela honeyeater (Meliphagidae) from the highlands of Alor Island, Indonesia Mohammad IrhamHidayat AshariFrank E. Rheindt Original Article 05 October 2019 Pages: 313 - 324
The first fossil barbet (Aves, Ramphastidae) from Siberia N. V. Volkova Original Article 25 September 2019 Pages: 325 - 332
Photography as a tool for avian morphometric measurements Heather M. WilliamsSamantha B. WilcoxAndrea J. Patterson Original Article 17 October 2019 Pages: 333 - 339