| Titre : | Vogelwelt (Die) 119(6) - 1998 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Lutz Dalbeck, Auteur ;
Wilhelm Bergerhausen, Auteur ;
Oliver Krischer, Auteur
In the years 1988 and 1989 we carried out a telemetry study on a population of reintroduced Eagle Owls in the northern Eifel Hills, Northrine-Westfalia, Germany. From 29 July 1988 to 19 June 1989 we were able to catch with self-constructed traps[...]
Article
Sigurd Locker, Auteur ;
Dirk Fluegge, Auteur
In 1994 a survey of calling Tengmalm's Owls was conducted in a 28 km2 forest area around Hanstedt Hills in the north-eastern part of the Nature Reserve "Luneburger Heide" (Lower Saxony, Germany). A high density of 1,3 calling males per km2 was f[...]
Article
Michael Schmitz, Auteur
Regular spring passage of Citrine Wagtails is reported for the Romanian Black Sea coast in 1993 to 1996. A maximum of about 100 individuals was seen in April 1996. The median passage date for 1993-1996 was 10 April. These observations may reflec[...]
Article
Ansgar Vosshenrich, Auteur ;
Hermann Mattes, Auteur
In the city of Muenster seven study plots (two in the industrial region, three in the center, and two in the suburbs) were chosen to investigate the winter avifauna. All individuals were registered along routes of 3 km length during 10 visits be[...]
