Hummingbird health: pathogens and disease conditions in the family Trochilidae Loreto A. GodoyLisa A. TellHolly B. Ernest Review 21 August 2013 Pages: 1 - 12
Phylogeography and subspecies status of Black Grouse Carolina CorralesMariia PavlovskaJacob Höglund Original Article Open access 17 September 2013 Pages: 13 - 25
Timing of breeding in rural and urban Tawny Owls Strix aluco in southern Finland: effects of vole abundance and winter weather Tapio Solonen Original Article 25 June 2013 Pages: 27 - 36
Effects of geolocators on reproductive performance and annual return rates of a migratory songbird Jesús GómezChantel I. MichelsonRobert G. Clark Original Article 23 June 2013 Pages: 37 - 44
Incubation temperature does not explain variation in the embryo development periods in a sample of Neotropical passerine birds W. Douglas RobinsonSuzanne H. AustinRobert E. Ricklefs Original Article 09 July 2013 Pages: 45 - 51
Population density and use of grasslands by female Little Bustards during lek attendance, nesting and brood-rearing João Paulo SilvaBeatriz EstanqueJorge Manuel Palmeirim Original Article 30 July 2013 Pages: 53 - 63
Food availability and fuel loss predict Zugunruhe Cas EikenaarFranz Bairlein Original Article 27 June 2013 Pages: 65 - 70
Phylogenetic origin of the endemic pigeons from Madeira (Columba trocaz) and Azores Islands (Columba palumbus azorica) Catarina G. DouradoMargarida Alexandra DuarteDeodália Dias Original Article 26 July 2013 Pages: 71 - 82
Extra-pair paternity in two sympatric Aegithalos tits: patterns and implications Jianqiang LiYingying LiuZhengwang Zhang Original Article 14 July 2013 Pages: 83 - 90
Sex-specific environmental sensitivity is transient in nestling Tree Swallows (Tachycineta bicolor) Nicole C. HogleGary Burness Original Article 02 August 2013 Pages: 91 - 100
Variation in reproductive performance of Little Penguins (Eudyptula minor) attributable to double brooding Philippa AgnewDave HoustonJanine Wright Original Article 26 July 2013 Pages: 101 - 109
Effects of previous intrusion pressure on territorial responses in Nightingales Philipp SprauTobias RothMarc Naguib Original Article 03 August 2013 Pages: 111 - 119
Phylogeographic analysis and genetic cluster recognition for the conservation of Ural Owls (Strix uralensis) in Europe Roland HausknechtSusanne JacobsRalph Kuehn Original Article 11 August 2013 Pages: 121 - 134
Adoption and infanticide in an altricial colonial seabird, the Blue-footed Booby: the roles of nest density, breeding success, and sex-biased behavior José Alfredo Castillo-GuerreroErick González-MedinaEric Mellink Original Article 14 August 2013 Pages: 135 - 144
How to improve agri-environment schemes to achieve meadow bird conservation in Europe? A case study in the Saône valley, France Joël BroyerLaurence CurtetRomain Chazal Original Article 08 August 2013 Pages: 145 - 155
Species abundance and migratory status affects large-scale fruit tracking in thrushes (Turdus spp.) José L. TelleríaLuis M. CarrascalTomás Santos Original Article 18 August 2013 Pages: 157 - 164
Assessing geographic origins of Teal (Anas crecca) through stable-hydrogen (δ 2H) isotope analyses of feathers and ring-recoveries Matthieu GuillemainSteven L. Van WilgenburgKeith A. Hobson Original Article 18 August 2013 Pages: 165 - 172
Effects of habitat quality and hiking trails on the occurrence of Black Grouse (Tetrao tetrix L.) at the northern fringe of alpine distribution in Austria Markus ImmitzerUrsula Nopp-MayrMargit Zohmann Original Article 01 September 2013 Pages: 173 - 181
The winter roosting and diet of Black Grouse Tetrao tetrix in the north-western Italian Alps Massimo BoccaEnrico CaprioAntonio Rolando Original Article 27 August 2013 Pages: 183 - 194
Rock Ptarmigan (Lagopus muta) breeding habitat use in northern Sweden Åshild Ø. PedersenMarie-Anne BlanchetEva Fuglei Original Article 06 September 2013 Pages: 195 - 209
Seasonal variation of red carotenoid pigments in plasma of wild Crossbill males Loxia curvirostra Esther del ValJuan José NegroJuan Carlos Senar Original Article 27 August 2013 Pages: 211 - 218
Intensive nest predation by crabs produces source–sink dynamics in hosts and parasites Canchao YangAnders Pape MøllerWei Liang Original Article 30 August 2013 Pages: 219 - 223
Star compass learning: how long does it take? Andreas MichalikBianca AlertHenrik Mouritsen Original Article 29 August 2013 Pages: 225 - 234
Intersexual difference in early natal dispersal: abrupt departure by females and gradual emigration by males in Tengmalm’s Owl Aegolius funereus Katrine EldegardHeidi VognildGeir A. Sonerud Original Article 31 August 2013 Pages: 235 - 242
Two sympatric lineages of the Raven Corvus corax jordansi coexist on the Eastern Canary Islands Sascha RösnerDominic V. CimiottiRoland Brandl Original Article 04 September 2013 Pages: 243 - 251
Post-breeding courtship: public information about breeding habitat quality? J. PinowskiR. VáclavJ. Romanowski Original Article 06 October 2013 Pages: 253 - 264
Moulting strategies of the Yelkouan Shearwater Puffinus yelkouan during the breeding season Karen BourgeoisS. Dromzée Original Article 06 October 2013 Pages: 265 - 271
Barn Owl (Tyto alba) breeding biology in relation to breeding season climate Alexandre ChaussonIsabelle HenryAlexandre Roulin Original Article 11 October 2013 Pages: 273 - 281
Optimization of circadian adaptation to physical enrichment: effects on activity behavior in a subtropical songbird Shalie MalikPuja BudkiVinod Kumar Original Article 11 October 2013 Pages: 283 - 290
The effect of intruders on territorial Palestine Sunbirds (Nectarinia osea) during the pre-egg laying period I. BergerY. LeshemS. Markman Original Article 11 October 2013 Pages: 291 - 299
Inferring seabird activity budgets from leg-mounted time–depth recorders Jannie Fries LinnebjergNicholas Per HuffeldtMorten Frederiksen Original Article 12 October 2013 Pages: 301 - 306
Sex and other sources of variation in the haematological parameters of White Stork Ciconia ciconia chicks Piotr KaminskiLeszek JerzakPiotr Tryjanowski Original Article Open access 20 October 2013 Pages: 307 - 314
Great Tit (Parus major) breath rate in response to handling stress: urban and forest birds differ Anna Torné-NogueraEmilio Pagani-NúñezJuan Carlos Senar Short Notes 19 November 2013 Pages: 315 - 318
Effects of experience and a visual aid on ptilochronology Laura M. FraszJason D. FischerJames R. Miller Technical Notes 03 December 2013 Pages: 319 - 322