| Titre : | Vogelwarte 43(4) - NOV 2005 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Josef Hemetsberger, Auteur
During a 3 week ecological excursion of the University of Vienna in February 2003 to the central Sahara Desert in Algeria we found early breeding success in 4 passerine species, Desert Lark, White-crowned Wheatear, Fulvous Babbler and House Bunt[...]
Article
Wolfgang Fiedler, Auteur ;
Stefan Bosch, Auteur ;
Anja Globig, Auteur ;
Franz Bairlein, Auteur
Waterfowl are known to be the major reservoir for all 16 H- and 9 N- Subtypes of low pathogenic avian influenza viruses (LPAIV), including the subtypes H5 and H7 being a serious economic threat to the poultry industry as well as H1, H2, H3 that [...]
Article
Albrecht Manegold, Auteur
Article
Bonnie Anna Klein, Auteur ;
Manfred Lieser, Auteur
In winter 2004/05, we collected 143 cormorant pellets under roost trees in the nature reserve "Radolfzeller Aachried" The fish consumed by the birds are supposed to originate from the Zeller See, the westernmost part of the Lake of Constance. We[...]
Article
Fränzi Korner-Nievergelt, Auteur ;
Bernd Leisler, Auteur
There exist two hypotheses of the evolutionary selection pressure which produced high toe pads in passerines: First, insulation of the foot soles in cold winter quarters, and second improved locomotion abilities in coniferous needles. In this st[...]
Article
Kathrin Hueppop, Auteur ;
Ommo Hueppop, Auteur
At the ringing station on the island of Helgoland (German Bight), migratory birds have been trapped since 1909 in three consecutive funnel traps. All-year-round trapping effort with up to seven trapping runs daily remained unchanged throughout t[...]
