| Titre : | Vogelwelt (Die) 120(4) - 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Nikolay Titov, Auteur
Empirical data were compared with neutral models in order to show the presence of confined home ranges in Robins during migratory stopovers. Within 1-2 days after arrival at a stopover site, the majority of birds obtain a confined home range. In[...]
Article
Ingolf Todte, Auteur ;
Juergen Luge, Auteur ;
Michael Harz, Auteur
Bee-eaters have bred periodically in northern Germany at least since the last century. The species recently recolonized Sachsen-Anhalt (eastern Germany) starting about 1990 or slightly earlier. This population increased from initially two pairs [...]
Article
Christoph Randler, Auteur
Apparent hybrids between Common Pochard and Tufted Duck have been noted in west-central Europe in the wild since 1934. This analysis is based on 467 observations of 501 such hybrids in Germany, Austria and Switzerland. 94 % of all observations a[...]
Article
Peter Hauff, Auteur ;
Peter Illmann, Auteur
Beginning in 1949, yearly censuses of breeding Greylag Geese were conducted until 1994 by counting the clutches. During the mid-seventies and later the carrying capacity of the area (ca. 260 ha) appeared to be about 130 pairs. The geese bred at [...]
Article
Guenther Busche, Auteur
The study area is situated in the county of Dithmarschen, Schleswig-Holstein, Germany and covers 1405 km2 (Fig. 1, Tab. 1, 2). In the period 1993-95, 140 bird species bred regularly in the study area. Since 1945 a further 26 species have been re[...]
