Constraints of feeding on Salicornia ramosissima by wigeon Anas penelope: an experimental approach Daphné DurantMarcel KerstenMarc Lila Original Article 01 January 2006 Pages: 1 - 12
The study of nest-site preferences in Eleonora’s falcon Falco eleonorae through digital terrain models on a western Mediterranean island G. UriosA. Martínez-Abraín Original Article 01 January 2006 Pages: 13 - 23
Hybrids in divers (Gaviiformes) C. S. (Kees) RoselaarTineke G. PrinsVincent Nijman Original Article 01 January 2006 Pages: 24 - 30
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
Light-dependent information: influence of loft conditions on young pigeon’s navigational system Paulo Esteves JorgeLuís Vicente Original Article 01 January 2006 Pages: 38 - 46
Reproductive responses of two related coexisting songbird species to environmental changes: global warming, competition, and population sizes Thomas SchaeferGösta LedeburBernd Leisler Original Article 01 January 2006 Pages: 47 - 56
A comparative study of egg mass and clutch size in the Anseriformes Jordi FiguerolaAndy J. Green Original Article 01 January 2006 Pages: 57 - 68
How far away in an hour? Daily movements of juvenile golden eagles (Aquila chrysaetos) tracked with satellite telemetry Alvaro SoutulloVicente UriosMiguel Ferrer Original Article 01 January 2006 Pages: 69 - 72
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
Song differences between populations of seven subspecies of the African forest weaver Ploceus bicolor Vieillot (Aves: Passeriformes) Wolfgang WicklerUta SeibtDieter Schmidl Original Article 01 January 2006 Pages: 87 - 96
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-LópezClara García-RipollésJosé Verdejo Original Article 01 January 2006 Pages: 97 - 106
Do night-active birds lack daily melatonin rhythms? A case study comparing a diurnal and a nocturnal-foraging gull species Martin WikelskiElisa M. TarlowEbo Gwinner Original Article 01 January 2006 Pages: 107 - 111
Classical polyandry found in the three-toed woodpecker Picoides tridactylus Peter PechacekKlaus G. MichalekDonald Blomqvist Short Note 01 January 2006 Pages: 112 - 114
A non-invasive technique to bleed incubating birds without trapping: a blood-sucking bug in a hollow egg Peter H. BeckerChristian C. VoigtRolf Nagel Short Note 01 January 2006 Pages: 115 - 118
24th International Ornithological Congress, Hamburg, Germany, 13–19 August 2006 Announcement 01 January 2006 Pages: 120 - 120