1. Migration pattern of Icelandic Lesser Black-backed Gulls Larus fuscus graellsii: indications of a leap-frog system

   • Gunnar Thor Hallgrimsson
   • Hallgrimur V. Gunnarsson
   • Kees C. J. Camphuysen

   Original Article 21 April 2012 Pages: 603 - 609

   

2. Giant Babaxes mix brood reduction and brood survival strategies

   • Bo Du
   • Qing-Shan Zhao
   • Nai-Fa Liu

   Original Article 16 November 2011 Pages: 611 - 619

   

3. Previous experiences with humans affect responses of Snares Penguins to experimental disturbance

   • Ursula Ellenberg
   • Thomas Mattern
   • Philip J. Seddon

   Original Article 23 November 2011 Pages: 621 - 631

   

4. The effect of an external transmitter on the drag coefficient of a bird’s body, and hence on migration range, and energy reserves after migration

   • C. J. Pennycuick
   • Peter L. F. Fast
   • Niels Rattenborg

   Original Article 19 November 2011 Pages: 633 - 644

   

5. Testing the structural–function hypothesis of eggshell maculation in the Great Tit: an experimental approach

   • M. Mägi
   • R. Mänd
   • S. J. Reynolds

   Original Article 22 November 2011 Pages: 645 - 652

   

6. Breeding time trends of the Crested Tit (Lophophanes cristatus) in southern Finland: comparison of data sources

   • T. Eeva
   • P. Andelmin
   • E. Lehikoinen

   Original Article 08 December 2011 Pages: 653 - 661

   

7. Nest-site preferences of Eleonora’s Falcon (Falco eleonorae) on uninhabited islets of the Aegean Sea using GIS and species distribution models

   • Christina Kassara
   • Anastasios Dimalexis
   • Spyros Sfenthourakis

   Original Article 22 November 2011 Pages: 663 - 675

   

8. Predicting the distribution of Tawny Owl (Strix aluco) at the scale of individual territories in Denmark

   • Rikke Anker Jensen
   • Peter Sunde
   • Gösta Nachman

   Original Article 22 November 2011 Pages: 677 - 689

   

9. Changing migration patterns of the Short-eared Owl Asio flammeus in Europe: an analysis of ringing recoveries

   • John Calladine
   • Chris du Feu
   • Richard du Feu

   Original Article 24 November 2011 Pages: 691 - 698

   

10. The evolution of the feather: Sinosauropteryx, life, death and preservation of an alleged feathered dinosaur

    • Theagarten Lingham-Soliar

    Original Article 03 December 2011 Pages: 699 - 711

    

11. Individual behavioural variability of an ecological generalist: activity patterns and local movements of Mallards Anas platyrhynchos in winter

    • Annette Sauter
    • Pius Korner
    • Lukas Jenni

    Original Article 22 November 2011 Pages: 713 - 726

    

12. Patterns of yolk testosterone deposition in two populations of Arctic-breeding Redpolls

    • Lisa S. Hayward
    • Erica E. M. Moodie
    • John C. Wingfield

    Original Article 08 December 2011 Pages: 727 - 734

    

13. Patterns of nest placement in a population of Marsh Tits Poecile palustris

    • Richard K. Broughton
    • Ross A. Hill
    • Shelley A. Hinsley

    Original Article 03 December 2011 Pages: 735 - 746

14. Landscape structure, human disturbance and crop management affect foraging ground selection by migrating geese

    • Zuzanna M. Rosin
    • Piotr Skórka
    • Piotr Tryjanowski

    Original Article Open access 09 December 2011 Pages: 747 - 759

    

15. A comparison of the adrenocortical responses to acute stress in cardueline finches from the Tibetan Plateau, Arctic Alaska and lowland Western North America

    • Dongming Li
    • Gang Wang
    • Fumin Lei

    Original Article 23 December 2011 Pages: 761 - 770

    

16. Migratory connectivity derived from sparse ring reencounter data with unknown numbers of ringed birds

    • Fränzi Korner-Nievergelt
    • Felix Liechti
    • Steffen Hahn

    Original Article 17 December 2011 Pages: 771 - 782

    

17. Bone collagen and muscle δ¹³C in relation to the timing of the migration of Garden Warblers Sylvia borin during return migration from Africa

    • Elizabeth Yohannes
    • Raymond Lee
    • Ulf Bauchinger

    Original Article 15 December 2011 Pages: 783 - 791

    

18. Is the transition from biparental to male-only care in a monogamous seabird related to changes in body mass and stress level?

    • Katarzyna Wojczulanis-Jakubas
    • Dariusz Jakubas
    • Anna Kośmicka

    Original Article Open access 29 December 2011 Pages: 793 - 800

    

19. Experimental evidence for a predation cost of begging using active nests and real chicks

    • Juan Diego Ibáñez-Álamo
    • Laura Arco
    • Manuel Soler

    Original Article 29 December 2011 Pages: 801 - 807

    

20. Annual survival and breeding dispersal of a seabird adapted to a stable environment: implications for conservation

    • Justine Braby
    • Sigrid J. Braby
    • Res Altwegg

    Original Article 03 February 2012 Pages: 809 - 816

    

21. Does breeding success lead meadow passerines to select late mown fields?

    • Joël Broyer
    • Laurence Curtet
    • Mélanie Boissenin

    Original Article 11 January 2012 Pages: 817 - 823

    

22. Nestmate killing by obligate brood parasitic chicks: is this linked to obligate siblicidal behavior?

    • Ning Wang
    • Rebecca T. Kimball

    Original Article 13 January 2012 Pages: 825 - 831

    

23. Plumage bacterial load increases during nest-building in a passerine bird

    • Priit Kilgas
    • Pauli Saag
    • Raivo Mänd

    Original Article 07 January 2012 Pages: 833 - 838

    

24. Complementing the puzzle of Eleonora’s Falcon (Falco eleonorae) migration: new evidence from an eastern colony in the Aegean Sea

    • Christina Kassara
    • Jakob Fric
    • Spyros Sfenthourakis

    Original Article 18 January 2012 Pages: 839 - 848

    

25. Breeding land birds across the Greek islands: a biogeographic study with emphasis on faunal similarity, species–area relationships and nestedness

    • Stylianos Michail Simaiakis
    • Michail Dretakis
    • Stavros Xirouchakis

    Original Article 11 January 2012 Pages: 849 - 860

    

26. Spatial patterns in the use of foraging areas and its relationship with prey resources in the threatened Olrog’s Gull (Larus atlanticus)

    • Nicolás Suárez
    • María Valeria Retana
    • Pablo Yorio

    Original Article 18 January 2012 Pages: 861 - 871

    

27. Maximising the power of discrimination is important in microsatellite-based paternity analysis in songbirds

    • Micaela Poetsch
    • Eva Bähnisch
    • Philip Dammann

    Original Article 22 January 2012 Pages: 873 - 880

28. Flight speeds of migrating seabirds in the Strait of Gibraltar and their relation to wind

    • María Mateos-Rodríguez
    • Bruno Bruderer

    Original Article 05 February 2012 Pages: 881 - 889

    

29. Habitat at the mountain tops: how long can Rock Ptarmigan (Lagopus muta helvetica) survive rapid climate change in the Swiss Alps? A multi-scale approach

    • Rasmus Revermann
    • Hans Schmid
    • Boris Schröder

    Original Article 16 February 2012 Pages: 891 - 905

    

30. Dutch House Martins Delichon urbicum gain blood parasite infections over their lifetime, but do not seem to suffer

    • Theunis Piersma
    • Marco van der Velde

    Original Article Open access 21 February 2012 Pages: 907 - 912

31. Trophic structure of arthropods in Starling nests matter to blood parasites and thereby to nestling development

    • Peter H. J. Wolfs
    • Izabela K. Lesna
    • Jan Komdeur

    Original Article Open access 19 February 2012 Pages: 913 - 919

    

32. Time-window of occurrence and vegetation cover preferences of Dartford and Sardinian Warblers after fire

    • Pere Pons
    • Miguel Clavero
    • Roger Prodon

    Original Article 17 February 2012 Pages: 921 - 930

    

33. Fuelling for the Sahara crossing: variation in site use and the onset and rate of spring mass gain by 38 Palearctic migrants in the western Sahel

    • Nicholas J. Bayly
    • Philip W. Atkinson
    • Stephen J. R. Rumsey

    Original Article 17 February 2012 Pages: 931 - 945

    

34. Numerical and behavioural response of Black-headed Gull Chroicocephalus ridibundus on population growth of the expansive Caspian Gull Larus cachinnans

    • Piotr Skórka
    • Joanna D. Wójcik
    • Magdalena Lenda

    Original Article Open access 17 February 2012 Pages: 947 - 961

    

35. Kin structure and choice of brood care in a Common Eider (Somateria m. mollissima) population

    • Martti Hario
    • Marja-Liisa Koljonen
    • Jukka Rintala

    Original Article 18 February 2012 Pages: 963 - 973

    

36. A Great Reed Warbler × Reed Warbler hybrid (Acrocephalus arundinaceus × Acrocephalus scirpaceus) in northeastern Romania

    • Constantin Ion
    • Lucian Bolboaca
    • Dragos Lucian Gorgan

    Short Note 20 March 2012 Pages: 975 - 978

    

37. Over-representation of bird prey in pellets of South Polar Skuas

    • M. Mercedes Santos
    • Mariana A. Juáres
    • C. Patrick Doncaster

    Short Note 13 April 2012 Pages: 979 - 983

38. Standing out from the crowd: are patagial wing tags a potential predator attraction for harriers (Circus spp.)?

    • Iñigo Zuberogoitia
    • Beatriz Arroyo
    • Stephen G. Murphy

    Short Note 18 April 2012 Pages: 985 - 989

39. Buccal swabs as a reliable source of DNA for sexing young and adult Common Swifts (Apus apus)

    • Arndt H. J. Wellbrock
    • Christina Bauch
    • Klaudia Witte

    Short Note 24 April 2012 Pages: 991 - 994

    

40. Strong circumstantial evidence for ethanol toxicosis in Cedar Waxwings (Bombycilla cedrorum)

    • Hailu Kinde
    • Eileen Foate
    • Robert Poppenga

    Short Note 12 May 2012 Pages: 995 - 998