1. Constraints of feeding on Salicornia ramosissima by wigeon Anas penelope: an experimental approach

   • Daphné Durant
   • Marcel Kersten
   • Marc Lila

   Original Article 01 January 2006 Pages: 1 - 12

   

2. The study of nest-site preferences in Eleonora’s falcon Falco eleonorae through digital terrain models on a western Mediterranean island

   • G. Urios
   • A. Martínez-Abraín

   Original Article 01 January 2006 Pages: 13 - 23

   

3. Hybrids in divers (Gaviiformes)

   • C. S. (Kees) Roselaar
   • Tineke G. Prins
   • Vincent Nijman

   Original Article 01 January 2006 Pages: 24 - 30

   

4. New specimens of the early Eocene stem group galliform Paraortygoides (Gallinuloididae), with comments on the evolution of a crop in the stem lineage of Galliformes

   • Gerald Mayr

   Original Article 01 January 2006 Pages: 31 - 37

   

5. Light-dependent information: influence of loft conditions on young pigeon’s navigational system

   • Paulo Esteves Jorge
   • Luís Vicente

   Original Article 01 January 2006 Pages: 38 - 46

   

6. Reproductive responses of two related coexisting songbird species to environmental changes: global warming, competition, and population sizes

   • Thomas Schaefer
   • Gösta Ledebur
   • Bernd Leisler

   Original Article 01 January 2006 Pages: 47 - 56

   

7. A comparative study of egg mass and clutch size in the Anseriformes

   • Jordi Figuerola
   • Andy J. Green

   Original Article 01 January 2006 Pages: 57 - 68

8. How far away in an hour? Daily movements of juvenile golden eagles (Aquila chrysaetos) tracked with satellite telemetry

   • Alvaro Soutullo
   • Vicente Urios
   • Miguel Ferrer

   Original Article 01 January 2006 Pages: 69 - 72

   

9. A revision of the Aratinga mitrata complex, with the description of one new species, two new subspecies and species-level status of Aratinga alticola

   • Thomas Arndt

   Original Article 01 January 2006 Pages: 73 - 86

   

10. Song differences between populations of seven subspecies of the African forest weaver Ploceus bicolor Vieillot (Aves: Passeriformes)

    • Wolfgang Wickler
    • Uta Seibt
    • Dieter Schmidl

    Original Article 01 January 2006 Pages: 87 - 96

    

11. Modelling breeding habitat preferences of Bonelli’s eagle (Hieraaetus fasciatus) in relation to topography, disturbance, climate and land use at different spatial scales

    • Pascual López-López
    • Clara García-Ripollés
    • José Verdejo

    Original Article 01 January 2006 Pages: 97 - 106

    

12. Do night-active birds lack daily melatonin rhythms? A case study comparing a diurnal and a nocturnal-foraging gull species

    • Martin Wikelski
    • Elisa M. Tarlow
    • Ebo Gwinner

    Original Article 01 January 2006 Pages: 107 - 111

    

13. Classical polyandry found in the three-toed woodpecker Picoides tridactylus

    • Peter Pechacek
    • Klaus G. Michalek
    • Donald Blomqvist

    Short Note 01 January 2006 Pages: 112 - 114

14. A non-invasive technique to bleed incubating birds without trapping: a blood-sucking bug in a hollow egg

    • Peter H. Becker
    • Christian C. Voigt
    • Rolf Nagel

    Short Note 01 January 2006 Pages: 115 - 118

    

15. Acknowledgements 2005 

    Acknowledgements to referees 01 January 2006 Pages: 119 - 119

16. 24th International Ornithological Congress, Hamburg, Germany, 13–19 August 2006

    Announcement 01 January 2006 Pages: 120 - 120