Non-destructive techniques to assess body composition of birds: a review and validation study Scott R. McWilliamsMegan Whitman Review 31 March 2013 Pages: 597 - 618
Factors affecting plasma biochemistry parameters and physical condition of Osprey (Pandion haliaetus) nestlings Roberto MurielDaniel SchmidtMiguel Ferrer Original Article 16 January 2013 Pages: 619 - 632
Adult and pre-breeding survival estimates of the Whiskered Tern Chlidonias hybrida breeding in southern Poland Mateusz LedwońGrzegorz NeubauerJacek Betleja Original Article Open access 13 January 2013 Pages: 633 - 643
Diurnal variation in the behaviour of the Pink-footed Goose (Anser brachyrhynchus) during the spring stopover in Trøndelag, Norway Magda ChudzinskaJesper MadsenJacob Nabe-Nielsen Original Article 10 January 2013 Pages: 645 - 654
Bird traits in urban–rural gradients: how many functional groups are there? Lucas M. Leveau Original Article 13 January 2013 Pages: 655 - 662
Can the substructure of fossil feathers provide taxonomic information? Arie M. RijkeWilliam A. JesserStephan F. K. Schaal Original Article 05 February 2013 Pages: 663 - 670
The seasonality of breeding in savannah birds of West Africa assessed from brood patch and juvenile occurrence Daniel T. C. CoxMiriam J. BrandtWill Cresswell Original Article 03 February 2013 Pages: 671 - 683
Neighbour–stranger call discrimination in a nocturnal rail species, the Corncrake Crex crex Michał BudkaTomasz S. Osiejuk Original Article Open access 06 February 2013 Pages: 685 - 694
Underuse of stopover site by migratory swans Bart A. NoletAbel Gyimesi Original Article Open access 07 February 2013 Pages: 695 - 703
Evidence for a non-gradual pattern of call development in auks (Alcidae, Charadriiformes) Anna V. KlenovaYulia A. Kolesnikova Original Article 20 February 2013 Pages: 705 - 716
The health signalling of ornamental traits in the Grey Partridge (Perdix perdix) Jana SvobodováBarbora GabrielováMichal Vinkler Original Article 16 February 2013 Pages: 717 - 725
Molecular insights on the re-colonization of the Limpopo Valley, South Africa, by Southern Ground-Hornbills N. TheronD. DaltonA. Kotze Original Article 16 February 2013 Pages: 727 - 737
Licensed control does not reduce local Cormorant Phalacrocorax carbo population size in winter D. E. ChamberlainG. E. AustinN. H. K. Burton Original Article 20 February 2013 Pages: 739 - 750
Can individually characteristic calls be used to identify long-distance movements of Corncrakes Crex crex? Gunvar MikkelsenSvein DaleTomasz S. Osiejuk Original Article 06 March 2013 Pages: 751 - 760
Reduced genetic diversity and sperm motility in the endangered Gran Canaria Blue Chaffinch Fringilla teydea polatzeki Eduardo Garcia-del-ReyGunnhild MarthinsenJan T. Lifjeld Original Article 05 March 2013 Pages: 761 - 768
Seasonal variation in Eurasian Wigeon Anas penelope sex and age ratios from hunter-based surveys Kevin Kuhlmann ClausenLars DalbyAnthony David Fox Original Article 13 March 2013 Pages: 769 - 774
Earliest northeastern Atlantic Ocean basin record of an auk (Charadriiformes, Pan-Alcidae): fossil remains from the Miocene of Germany N. Adam SmithGerald Mayr Original Article 21 March 2013 Pages: 775 - 782
Wing-moulting waterbirds maintain body condition under good environmental conditions: a case study of Gadwalls (Anas strepera) Andrea GehroldPeter Köhler Original Article 30 March 2013 Pages: 783 - 793
Incubation and nesting behaviour of the Chestnut-collared Longspur Cole B. S. KirkhamStephen K. Davis Original Article 07 April 2013 Pages: 795 - 801
Phenotypic differences in body size, body condition and circulating carotenoids between hybrid and “pure” red-legged partridges (Alectoris rufa) in the wild F. CasasF. MougeotJ. Viñuela Original Article 31 March 2013 Pages: 803 - 811
Rediscovery of a long-lost lark reveals the conspecificity of endangered Heteromirafra populations in the Horn of Africa Claire N. SpottiswoodeUrban OlssonPer Alström Original Article 17 April 2013 Pages: 813 - 825
White-tailed Sea Eagles (Haliaeetus albicilla) defend small home ranges in north-east Germany throughout the year Oliver KroneMirjam NadjafzadehAnne Berger Original Article 16 April 2013 Pages: 827 - 835
Trends and population dynamics of a Velvet Scoter (Melanitta fusca) population: influence of density dependence and winter climate Göran HartmanAndrea KölzschJacob Höglund Original Article 09 April 2013 Pages: 837 - 847
Access to cryptic arthropod larvae supports the atypical winter breeding seasonality of Meyer’s Parrot (Poicephalus meyeri) throughout the African subtropics Rutledge S. BoyesMichael R. Perrin Original Article 15 May 2013 Pages: 849 - 861
Diel feeding strategy during breeding in male Barn Owls (Tyto alba) Joël M. DurantDag Ø. HjermannYves Handrich Original Article 25 April 2013 Pages: 863 - 869
Ring recoveries of dead birds confirm that darker pheomelanic Barn Owls disperse longer distances Alexandre Roulin Short Note 23 March 2013 Pages: 871 - 874
The presence of Harlequin duck Histrionicus histrionicus (Linnaeus 1758) in the Middle Pleistocene of Italy Marco PaviaClaudia Bedetti Short Note 27 April 2013 Pages: 875 - 878
A derived pterygoid/palatine complex indicates sister group relationship between the Cuckoo Finch, Anomalospiza imberbis and the Grosbeak Weaver, Amblyospiza albifrons Gerald Mayr Short Note 05 May 2013 Pages: 879 - 882
Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies Hany AlonsoJosé P. GranadeiroPaulo Catry Short Note 21 May 2013 Pages: 883 - 886
Erratum to: The dynamics of alternative male mating tactics in a population of Black Grouse Tetrao tetrix in the Italian Alps D. E. ChamberlainM. BoccaA. Rolando Erratum 21 March 2013 Pages: 887 - 887
