Loop migration, induced by seasonally different flyway use, in Northern European Barn Swallows Martins BriedisPetras KurlavičiusSteffen Hahn Original Article 14 May 2018 Pages: 885 - 891
Full annual cycle tracking of a small songbird, the Siberian Rubythroat Calliope calliope, along the East Asian flyway Wieland HeimLykke PedersenKasper Thorup Original Article 19 May 2018 Pages: 893 - 899
Scale-dependent resource selection and space use by Mississippi Kite (Ictinia mississippiensis) in a heterogenous mixed-shrub ecosystem Fidelis A. AtuoTimothy J. O’Connell Original Article 05 June 2018 Pages: 901 - 911
Post-fledging movement and spatial ecology of the endangered Cape Vulture (Gyps coprotheres) Francis R. MartensMorgan B. PfeifferJan A. Venter Original Article 25 May 2018 Pages: 913 - 922
Male and female Black-tailed Gulls Larus crassirostris feed on the same prey species but use different feeding habitats Kentaro KazamaBungo NishizawaYutaka Watanuki Original Article 29 May 2018 Pages: 923 - 934
Albatross chicks reveal interactions of adults with artisanal longline fisheries within a short range Jean-Baptiste ThiebotBungo NishizawaYutaka Watanuki Original Article 28 June 2018 Pages: 935 - 944
Common pastures are important refuges for a declining passerine bird in a pre-alpine agricultural landscape Cinja SchwarzJürgen TrautnerThomas Fartmann Original Article 16 May 2018 Pages: 945 - 954
Habitat correlates of Eurasian Woodcock Scolopax rusticola abundance in a declining resident population Christopher J. HewardAndrew N. HoodlessNicholas J. Aebischer Original Article Open access 23 June 2018 Pages: 955 - 965
Effect of geographical latitude and sun exposure on Rufous Hornero (Furnarius rufus) nest orientation Alejandro A. SchaafCecilia G. GarcíaAgustín I. E. Quaglia Original Article 18 June 2018 Pages: 967 - 974
Seasonal variation in nest predation rates in boreal forests Magne HusbyKatrine S. Hoset Original Article 24 May 2018 Pages: 975 - 984
Fecal sacs do not increase nest predation in a ground nester Enrique RubioOlivia SanllorenteJuan Diego Ibáñez-Álamo Original Article Open access 29 May 2018 Pages: 985 - 990
Nest feathering responses by Tree Swallows (Tachycineta bicolor) to experimental warming Erika R. HollandDave Shutler Original Article 31 May 2018 Pages: 991 - 998
Birds use structural properties when selecting materials for different parts of their nests Lucia E. BiddleD. Charles DeemingAdrian M. Goodman Original Article Open access 20 June 2018 Pages: 999 - 1008
Progression in the bacterial load during the breeding season in nest boxes occupied by the Blue Tit and its potential impact on hatching or fledging success Andrew DevaynesAndré AntunesPaul Ashton Original Article Open access 28 June 2018 Pages: 1009 - 1017
Brood rearing has an immediate survival cost for female Chinese Grouse Tetrastes sewerzowi Jin-Ming ZhaoYun FangYue-Hua Sun Original Article 02 July 2018 Pages: 1019 - 1029
Nectar intake and foraging efficiency: the responses of sunbirds to flower morphology Celiwe A. NgcamphalalaIda E. BaileySusan W. Nicolson Original Article 18 June 2018 Pages: 1031 - 1041
Does urbanization affect wing pointedness in the Blackbird Turdus merula? Elisabeth SaccavinoJan KrämerDieter Thomas Tietze Original Article 02 July 2018 Pages: 1043 - 1051
Temperature and aridity determine body size conformity to Bergmann’s rule independent of latitudinal differences in a tropical environment Chima J. NwaoguB. Irene TielemanWill Cresswell Original Article Open access 27 June 2018 Pages: 1053 - 1062
Seasonal physiological responses to heat in an alpine range-restricted bird: the Cape Rockjumper (Chaetops frenatus) Krista N. OswaldAlan T. K. LeeBen Smit Original Article 10 July 2018 Pages: 1063 - 1072
Dissecting bird diversity in the Pantepui area of endemism, northern South America Sérgio Henrique BorgesMarcos Pérsio Dantas SantosCamila Ribas Original Article 29 June 2018 Pages: 1073 - 1086
Quaternary-related genetic differentiation and parallel population dynamics of the Eurasian Jay (Garrulus glandarius) in the circum-Japan Sea region Daisuke AokiGohta KinoshitaHitoshi Suzuki Original Article 22 June 2018 Pages: 1087 - 1097
Low prevalence of haemosporidian parasites in resident Greylag Geese (Anser anser) in southwestern Germany Sandrine MusaKatrin FachetFriederike Woog Original Article 28 June 2018 Pages: 1099 - 1103
“Ficedula”: an open-source MATLAB toolbox for cutting, segmenting and computer-aided clustering of bird song Sándor ZsebőkGyörgy BláziLászló Zsolt Garamszegi Technical Note 12 July 2018 Pages: 1105 - 1111