| Titre : | Vogelwelt (Die) 122(5) - 2001 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Volker Dierschke, Auteur
On the North Sea island of Helgoland (50 km off the German Wadden Sea coast), ten raptor species occur as regular migrants, with more or less regular presence of some species in summer (Kestrel, Northern Harrier) and winter (Sparrowhawk, Common [...]
Article
Wolfgang Scheller, Auteur ;
Erhard Franke, Auteur ;
Joachim Matthes, Auteur ;
Martin Neubauer, Auteur ;
Christian Scharnweber, Auteur
The breeding distribution of Lesser Spotted Eagle in Mecklenburg-Vorpommern is restricted to the eastern part of the region. While the western boundary has remained unchanged at least since the 1970s, the other boundaries have retracted slowly, [...]
Article
J. J. Purger, Auteur
Based on the questionnaire survey it was established that 185 Bee-eater pairs nested at 28 localities in Voivodina (Serbia) in 1987, 184 pairs at 21 localities in 1988, 32 pairs at 5 localities in 1989, and 191 pairs at 20 localities in 1990. Si[...]
Article
Dean Hashmi, Auteur ;
Dietrich Ristow, Auteur ;
Peter Berthold, Auteur ;
Ulrich Querner, Auteur
The exclusively nocturnal activity of many procellariiforms at the breeding sites may have evolved due to costs at the colony and/or benefits at sea during daylight. It is therefore possible that the activity patterns within and outside the bree[...]
Article
Wolfgang Scheller, Auteur ;
Erhard Franke, Auteur ;
Joachim Matthes, Auteur ;
Martin Neubauer, Auteur ;
Christian Scharnweber, Auteur
The breeding distribution of Lesser Spotted Eagle in Mecklenburg-Vorpommern is restricted to the eastern part of the region. While the western boundary has remained unchanged at least since the 1970s, the other boundaries have retracted slowly, [...]
Article
Jochen Bellebaum, Auteur
Article
Dean Hashmi, Auteur ;
Dietrich Ristow, Auteur ;
Peter Berthold, Auteur ;
Ulrich Querner, Auteur
The exclusively nocturnal activity of many procellariiforms at the breeding sites may have evolved due to costs at the colony and/or benefits at sea during daylight. It is therefore possible that the activity patterns within and outside the bree[...]
Article
Marc Foerschler, Auteur
From April to July 1999 the diet of Citril Finch was investigated at the breeding site Mt. Schliffkopf in the Northern Black Forest (950-1054 m a.s.l.; 8degree12' E, 48degree33' N) district Freudenstadt/Offenburg, Baden-Wuerttemberg, SW Germany.[...]
Article
Thomas Schaefer, Auteur
The Skylark is generally considered to be a bird of open habitats avoiding woody vegetation and any kind of vertical structures. In addition, recent studies on intensively used arable lands suggest that Skylarks require patches of open ground. H[...]
