The dynamics of alternative male mating tactics in a population of Black Grouse Tetrao tetrix in the Italian Alps D. E. ChamberlainM. BoccaA. Rolando Original Article 28 February 2012 Pages: 999 - 1009
Sexual dimorphism and offspring growth: smaller female Blue Tit nestlings develop relatively larger gapes Mark C. MainwaringMegan DickensIan R. Hartley Original Article 18 February 2012 Pages: 1011 - 1016
Can House Finches (Carpodacus mexicanus) use non-visual cues to discriminate the carotenoid content of foods? Mathieu GiraudeauMatthew B. ToomeyKevin J. McGraw Original Article 22 February 2012 Pages: 1017 - 1023
All you can eat: do peck rates of Greylag Geese (Anser anser) vary with age and social status? Friederike WoogKonrad SchwarzMark Hulme Original Article 25 February 2012 Pages: 1025 - 1029
The restricted range of the Ethiopian Bush-crow Zavattariornis stresemanni is a consequence of high reliance on modified habitats within narrow climatic limits Paul F. DonaldKai GedeonGraeme M. Buchanan Original Article 06 March 2012 Pages: 1031 - 1044
Moult and mobility of the Aquatic Warbler Acrocephalus paludicola on the West African non-breeding grounds Cosima TegetmeyerMarco ThomaSusanne Arbeiter Original Article 31 March 2012 Pages: 1045 - 1051
Quantifying the effect of feather abrasion on wing and tail lengths measurements Heiner FlinksVolker Salewski Original Article 21 March 2012 Pages: 1053 - 1065
High-arctic seabird trophic variation revealed through long-term isotopic monitoring Allison T. MoodyKeith A. HobsonAnthony J. Gaston Original Article 20 March 2012 Pages: 1067 - 1078
Estimating rat predation on Humboldt Penguin colonies in north-central Chile Alejandro SimeoneGuillermo Luna-Jorquera Original Article 20 March 2012 Pages: 1079 - 1085
Parents adjust feeding effort in relation to nestling age in the Eurasian Kestrel (Falco tinnunculus) Ronny SteenGeir A. SonerudTore Slagsvold Original Article 06 April 2012 Pages: 1087 - 1099
How would size, age, human disturbance, and vegetation structure affect bird communities of urban parks in different seasons? Daqing ZhouL. M. Chu Original Article 04 April 2012 Pages: 1101 - 1112
Long-term changes in bird community in the unmanaged post-fire eastern Québec boreal forest Jeovanna LoweDavid PothierJean-Pierre L. Savard Original Article 18 April 2012 Pages: 1113 - 1125
Maintenance of gene flow by female-biased dispersal of Black Grouse Tetrao tetrix in northern Sweden Carolina CorralesJacob Höglund Original Article 24 April 2012 Pages: 1127 - 1139
Identification of Black-tailed Godwit’s Limosa limosa breeding habitat by botanical and environmental indicators Karsten LaursenAnna Bodil Hald Original Article 20 April 2012 Pages: 1141 - 1152
Tail length and sexual selection in a monogamous, monomorphic species, the Roseate Tern Sterna dougallii Brian G. PalestisIan C. T. NisbetPatricia Szczys Original Article 18 April 2012 Pages: 1153 - 1163
An attempt to develop an operant conditioning paradigm to test for magnetic discrimination behavior in a migratory songbird D. KishkinevH. MouritsenC. V. Mora Original Article 01 May 2012 Pages: 1165 - 1177
Excreted corticosterone metabolites differ between two galliform species, Japanese Quail and Chicken, between sexes and between urine and faecal parts of droppings Katharina HirschenhauserKatharina SpreitzerErich Möstl Original Article 28 April 2012 Pages: 1179 - 1188
Range size estimates of Bolivian endemic bird species revisited: the importance of environmental data and national expert knowledge Sebastian K. HerzogOswaldo Maillard Z.Dennise Quiroga Original Article 05 May 2012 Pages: 1189 - 1202
Daily energy expenditure in precocial shorebird chicks: smaller species perform at higher levels Karen L. KrijgsveldRobert E. RicklefsG. Henk Visser Original Article Open access 06 June 2012 Pages: 1203 - 1214
Breeders and floaters use different habitat cover: should habitat use be a social status-dependent strategy? Letizia CampioniRui LourençoVincenzo Penteriani Original Article 06 May 2012 Pages: 1215 - 1223
Geographical variation of haemosporidian parasites in Turkish populations of Krüper’s Nuthatch Sitta krueperi Alfonso MarzalTamer Albayrak Original Article 05 May 2012 Pages: 1225 - 1231
The number and coloration of white flank spots predict the strength of a cutaneous immune response in female Diamond Firetails, Stagonopleura guttata Valeria ZanolloMatteo GriggioSonia Kleindorfer Original Article 12 May 2012 Pages: 1233 - 1244
Comparative analysis reveals a possible immunity-related absence of blood parasites in Common Gulls (Larus canus) and Black-headed Gulls (Chroicocephalus ridibundus) Indrikis KramsValērija SurakaLauri Saks Original Article 19 May 2012 Pages: 1245 - 1252
Local haemoparasites in introduced wetland passerines Rita VentimLuisa MendesJavier Pérez-Tris Original Article 24 May 2012 Pages: 1253 - 1259
Orientation of vagrant birds on the Faroe Islands in the Atlantic Ocean Kasper ThorupTroels Eske OrtvadMartin Wikelski Short Note 15 August 2012 Pages: 1261 - 1265