1. Non-destructive techniques to assess body composition of birds: a review and validation study

   • Scott R. McWilliams
   • Megan Whitman

   Review 31 March 2013 Pages: 597 - 618

   

2. Factors affecting plasma biochemistry parameters and physical condition of Osprey (Pandion haliaetus) nestlings

   • Roberto Muriel
   • Daniel Schmidt
   • Miguel Ferrer

   Original Article 16 January 2013 Pages: 619 - 632

   

3. Adult and pre-breeding survival estimates of the Whiskered Tern Chlidonias hybrida breeding in southern Poland

   • Mateusz Ledwoń
   • Grzegorz Neubauer
   • Jacek Betleja

   Original Article Open access 13 January 2013 Pages: 633 - 643

   

4. Diurnal variation in the behaviour of the Pink-footed Goose (Anser brachyrhynchus) during the spring stopover in Trøndelag, Norway

   • Magda Chudzinska
   • Jesper Madsen
   • Jacob Nabe-Nielsen

   Original Article 10 January 2013 Pages: 645 - 654

   

5. Bird traits in urban–rural gradients: how many functional groups are there?

   • Lucas M. Leveau

   Original Article 13 January 2013 Pages: 655 - 662

   

6. Can the substructure of fossil feathers provide taxonomic information?

   • Arie M. Rijke
   • William A. Jesser
   • Stephan F. K. Schaal

   Original Article 05 February 2013 Pages: 663 - 670

   

7. The seasonality of breeding in savannah birds of West Africa assessed from brood patch and juvenile occurrence

   • Daniel T. C. Cox
   • Miriam J. Brandt
   • Will Cresswell

   Original Article 03 February 2013 Pages: 671 - 683

   

8. Neighbour–stranger call discrimination in a nocturnal rail species, the Corncrake Crex crex

   • Michał Budka
   • Tomasz S. Osiejuk

   Original Article Open access 06 February 2013 Pages: 685 - 694

   

9. Underuse of stopover site by migratory swans

   • Bart A. Nolet
   • Abel Gyimesi

   Original Article Open access 07 February 2013 Pages: 695 - 703

   

10. Evidence for a non-gradual pattern of call development in auks (Alcidae, Charadriiformes)

    • Anna V. Klenova
    • Yulia A. Kolesnikova

    Original Article 20 February 2013 Pages: 705 - 716

    

11. The health signalling of ornamental traits in the Grey Partridge (Perdix perdix)

    • Jana Svobodová
    • Barbora Gabrielová
    • Michal Vinkler

    Original Article 16 February 2013 Pages: 717 - 725

    

12. Molecular insights on the re-colonization of the Limpopo Valley, South Africa, by Southern Ground-Hornbills

    • N. Theron
    • D. Dalton
    • A. Kotze

    Original Article 16 February 2013 Pages: 727 - 737

    

13. Licensed control does not reduce local Cormorant Phalacrocorax carbo population size in winter

    • D. E. Chamberlain
    • G. E. Austin
    • N. H. K. Burton

    Original Article 20 February 2013 Pages: 739 - 750

    

14. Can individually characteristic calls be used to identify long-distance movements of Corncrakes Crex crex?

    • Gunvar Mikkelsen
    • Svein Dale
    • Tomasz S. Osiejuk

    Original Article 06 March 2013 Pages: 751 - 760

    

15. Reduced genetic diversity and sperm motility in the endangered Gran Canaria Blue Chaffinch Fringilla teydea polatzeki

    • Eduardo Garcia-del-Rey
    • Gunnhild Marthinsen
    • Jan T. Lifjeld

    Original Article 05 March 2013 Pages: 761 - 768

    

16. Seasonal variation in Eurasian Wigeon Anas penelope sex and age ratios from hunter-based surveys

    • Kevin Kuhlmann Clausen
    • Lars Dalby
    • Anthony David Fox

    Original Article 13 March 2013 Pages: 769 - 774

    

17. Earliest northeastern Atlantic Ocean basin record of an auk (Charadriiformes, Pan-Alcidae): fossil remains from the Miocene of Germany

    • N. Adam Smith
    • Gerald Mayr

    Original Article 21 March 2013 Pages: 775 - 782

    

18. Wing-moulting waterbirds maintain body condition under good environmental conditions: a case study of Gadwalls (Anas strepera)

    • Andrea Gehrold
    • Peter Köhler

    Original Article 30 March 2013 Pages: 783 - 793

    

19. Incubation and nesting behaviour of the Chestnut-collared Longspur

    • Cole B. S. Kirkham
    • Stephen K. Davis

    Original Article 07 April 2013 Pages: 795 - 801

    

20. Phenotypic differences in body size, body condition and circulating carotenoids between hybrid and “pure” red-legged partridges (Alectoris rufa) in the wild

    • F. Casas
    • F. Mougeot
    • J. Viñuela

    Original Article 31 March 2013 Pages: 803 - 811

    

21. Rediscovery of a long-lost lark reveals the conspecificity of endangered Heteromirafra populations in the Horn of Africa

    • Claire N. Spottiswoode
    • Urban Olsson
    • Per Alström

    Original Article 17 April 2013 Pages: 813 - 825

    

22. White-tailed Sea Eagles (Haliaeetus albicilla) defend small home ranges in north-east Germany throughout the year

    • Oliver Krone
    • Mirjam Nadjafzadeh
    • Anne Berger

    Original Article 16 April 2013 Pages: 827 - 835

    

23. Trends and population dynamics of a Velvet Scoter (Melanitta fusca) population: influence of density dependence and winter climate

    • Göran Hartman
    • Andrea Kölzsch
    • Jacob Höglund

    Original Article 09 April 2013 Pages: 837 - 847

    

24. Access to cryptic arthropod larvae supports the atypical winter breeding seasonality of Meyer’s Parrot (Poicephalus meyeri) throughout the African subtropics

    • Rutledge S. Boyes
    • Michael R. Perrin

    Original Article 15 May 2013 Pages: 849 - 861

    

25. Diel feeding strategy during breeding in male Barn Owls (Tyto alba)

    • Joël M. Durant
    • Dag Ø. Hjermann
    • Yves Handrich

    Original Article 25 April 2013 Pages: 863 - 869

    

26. Ring recoveries of dead birds confirm that darker pheomelanic Barn Owls disperse longer distances

    • Alexandre Roulin

    Short Note 23 March 2013 Pages: 871 - 874

    

27. The presence of Harlequin duck Histrionicus histrionicus (Linnaeus 1758) in the Middle Pleistocene of Italy

    • Marco Pavia
    • Claudia Bedetti

    Short Note 27 April 2013 Pages: 875 - 878

    

28. 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

    

29. Use the backbone of your samples: fish vertebrae reduces biases associated with otoliths in seabird diet studies

    • Hany Alonso
    • José P. Granadeiro
    • Paulo Catry

    Short Note 21 May 2013 Pages: 883 - 886

    

30. Erratum to: The dynamics of alternative male mating tactics in a population of Black Grouse Tetrao tetrix in the Italian Alps

    • D. E. Chamberlain
    • M. Bocca
    • A. Rolando

    Erratum 21 March 2013 Pages: 887 - 887