| Titre : | Vogelwarte 42(4) - August 2004 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Guenther Busche, Auteur
Passage of Wryneck in the German Bight varies between regions. On Helgoland the autumn migration (according to trapping results) dominates. In the west of Schleswig-Holstein with the Wadden Sea islands the spring migration is more evident. Large[...]
Article
Kathrin Hueppop, Auteur ;
Ommo Hueppop, Auteur
At Helgoland, extensive long-term trapping data have been collected with very constant effort and methods (funnel traps). With up to 7 trappings per day throughout the year almost 468 000 individuals and 153 species could be registered from 1961[...]
Article
Ernst D. Hegemann, Auteur ;
Hermann Knuewer, Auteur ;
Oliver Krone, Auteur
During the breeding season 2003 a clutch (2 male, 3 female) of Sparrowhawks in the county of Warendorf (North Rhine-Westphalia/Germany) was checked for age in order to assess the time of ringing. All nestlings with the exception of a female show[...]
