| Titre : | Vogelwarte 44(4) - NOV 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Daniel Luehr, Auteur ;
Moritz Groeschel, Auteur
In the present study, a census of breeding pairs of Barn Swallows Hirundo rustica was conducted in a suburban area of Bielefeld (Germany, Northrhein-Westfalia). Relations between environmental factors and the appearance of breeding pairs were ex[...]
Article
Bernd-Olaf Flore, Auteur
Results of long-term counts of gulls at an inland roost on Lake Alfsee, northwestern Germany (52 degrees 30'N, 7 degrees 59'E), are presented. Lake Alfsee is a flood detention basin of about 210 ha, the building was completed in 1982. It is loca[...]
Article
Urs N. Glutz von Blotzheim, Auteur
Article
Ernst Kniprath, Auteur ;
Susanne Stier, Auteur
The underparts colouration of 318 breeding Barn Owls was investigated. In the 9, the distribution among 5 colouration types is non spectacular and has its predominant peak at the type "guttata" In the male, not only the lighter types ("alba") ar[...]
