1. Parental food conditions affect sex-specific embryo mortality in the yellow-legged gull (Larus michahellis)

   • Cristóbal Pérez
   • Alberto Velando
   • Jorge Domínguez

   Original Article 01 October 2006 Pages: 513 - 519

   

2. Effect of brood size and hatching sequence on prefledging mortality of Sandwich terns: why lay two eggs?

   • Eric W. M. Stienen
   • Alex Brenninkmeijer

   Original Article 01 October 2006 Pages: 520 - 530

   

3. Effect of endurance flight on haematocrit in migrating birds

   • Lukas Jenni
   • Susanne Müller
   • Åke Lindström

   Original Article 01 October 2006 Pages: 531 - 542

   

4. Differences in food delivered to chicks by males and females of little auks (Alle alle) on South Spitsbergen

   • Katarzyna Wojczulanis
   • Dariusz Jakubas
   • Liv Wennerberg

   Original Article 01 October 2006 Pages: 543 - 548

   

5. Is urbanisation of European blackbirds (Turdus merula) associated with genetic differentiation?

   • Jesko Partecke
   • Eberhard Gwinner
   • Staffan Bensch

   Original Article 01 October 2006 Pages: 549 - 552

6. Breeding ecology and nest site selection in allopatric mainland Citril Finches Carduelis [citrinella] citrinella and insular Corsican Finches Carduelis [citrinella] corsicanus

   • Marc I. Förschler
   • Elisabeth K. V. Kalko

   Original Article 01 October 2006 Pages: 553 - 564

   

7. Archaeozoological records and distribution history of the osprey (Pandion haliaetus) in Central Europe

   • F. E. Zachos
   • U. Schmölcke

   Original Article 01 October 2006 Pages: 565 - 568

8. Factors affecting escape behaviour in moulting Greylag Geese Anser anser

   • Johnny Kahlert

   Original Article 01 October 2006 Pages: 569 - 577

   

9. The forest batis, Batis mixta, is two species: description of a new, narrowly distributed Batis species in the Eastern Arc biodiversity hotspot

   • Jon Fjeldså
   • Rauri C. K. Bowie
   • Jacob Kiure

   Original Article 01 October 2006 Pages: 578 - 590

   

10. The importance of salt-marsh wetness for seed exploitation by dabbling ducks Anas sp.

    • Ole R. Therkildsen
    • Thomas Bregnballe

    Original Article 01 October 2006 Pages: 591 - 598

    

11. Changes in hematological parameters in free-living pigeons (Columba livia f. urbana) during the breeding cycle

    • Mariusz Kasprzak
    • Tomasz Hetmański
    • Ewa Kulczykowska

    Original Article 01 October 2006 Pages: 599 - 604

    

12. Evidence for differential maternal allocation to eggs in relation to manipulated male attractiveness in the pied flycatcher (Ficedula hypoleuca)

    • José L. Osorno
    • Judith Morales
    • Rodrigo A. Vásquez

    Original Article 01 October 2006 Pages: 605 - 611

    

13. Interannual variations of reproductive parameters in a booted eagle (Hieraaetus pennatus) population: the influence of density and laying date

    • José E. Martínez
    • Iluminada Pagán
    • José F. Calvo

    Original Article 01 October 2006 Pages: 612 - 617

14. Spacing behaviour and habitat use of rock ptarmigan (Lagopus mutus) at low density in the Italian Alps

    • Massimo Favaron
    • Giovanni C. Scherini
    • Luc A. Wauters

    Original Article 01 October 2006 Pages: 618 - 628

    

15. Host nest defense against a color-dimorphic brood parasite: great reed warblers (Acrocephalus arundinaceus) versus common cuckoos (Cuculus canorus)

    • Marcel Honza
    • Václav Šicha
    • Radka Ležalová

    Original Article 01 October 2006 Pages: 629 - 637

    

16. The fruits of selectivity: how birds forage on Goupia glabra fruits of different ripeness

    • H. Martin Schaefer
    • Veronika Schaefer

    Original Article 01 October 2006 Pages: 638 - 643

    

17. Decrease in body size of Danish goshawks during the twentieth century

    • Yoram Yom-Tov
    • Shlomith Yom-Tov

    Original Article 01 October 2006 Pages: 644 - 647

    

18. Discovery of two new breeding grounds of Little Curlew (Numenius minutus) outside the known breeding range in Siberia

    • Hans-Dieter Altmann

    Short Note 01 October 2006 Pages: 648 - 648

19. Great reed warbler Acrocephalus arundinaceus and reed warbler Acrocephalus scirpaceus respond differently to cuckoo dummy at the nest

    • Andrzej Dyrcz
    • Lucyna Hałupka

    Short Note 01 October 2006 Pages: 649 - 652

20. Subspecies Cantabrian capercaillie Tetrao urogallus cantabricus endangered according to IUCN criteria

    • Ilse Storch
    • María José Bañuelos
    • Rolando Rodríguez-Muñoz

    Short Note 01 October 2006 Pages: 653 - 655