| Titre : | Vogelwelt (Die) 123(2) - 2002 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Markus Lange, Auteur ;
Thomas Hofmann, Auteur
Between 1995 and 1997 prey remains and pellets were collected from 61 Marsh Harrier nests in Mecklenburg Strelitz (North-east Germany) in order to study the diet composition. Seventy-six species of vertebrates (53 birds species, 14 mammals speci[...]
Article
Armin Puettger-Conradt, Auteur
In January 1989 at least two Chiffchaffs were singing for several days in gardens of suburban Kinshasa (now Democratic Rep. Congo). The familiar 'chiff-chaff' (typical of subspecies collybita and abietinus) song was heard particularly in the mor[...]
Article
Josef Kreuziger, Auteur
Efficiency and problems of voluntary bird census projects are shown using the example of the Yellowhammer census in Hesse 1999. The results should give some hints to plan future census programs more efficiently.
Article
[Breeding losses and diet of Rose-coloured Starling Sturnus roseus in SE Bulgaria in the year 2002.]
Boyan Miltschev, Auteur ;
Dragan Tschobanov, Auteur
In the year 2000 we studied 102 nests (11.5%, n=890) of Rose-coloured Starling in four colonies situated in stone-pits in SE Bulgaria. In 44 nests (43%, n=102) breeding attempts were unsuccessful. There were significant differences among the fou[...]
Article
Andrzej Dombrowski, Auteur ;
Artur Golawski, Auteur
The breeding bird community of a fragmented agricultural landscape in eastern Mazovian province, Poland, was studied in two periods: the late 1970s and the late 1990s. Most species were surveyed by territory mapping, the others by special method[...]
Article
Christoph Unger, Auteur ;
Hans-Ulrich Peter, Auteur
A Jackdaw colony in an old monastery was studied in 1996 and 1997 with particular emphasis on parental investment and provisioning of broods. Two nests were surveyed by video (ca. 150 hours per nest). Adults were individually colour-marked to st[...]
Article
[Breeding losses and diet of Rose-coloured Starling Sturnus roseus in SE Bulgaria in the year 2002.]
Boyan Miltschev, Auteur ;
Dragan Tschobanov, Auteur
In the year 2000 we studied 102 nests (11.5%, n=890) of Rose-coloured Starling in four colonies situated in stone-pits in SE Bulgaria. In 44 nests (43%, n=102) breeding attempts were unsuccessful. There were significant differences among the fou[...]
Article
[Risk of nest losses due to cattle trampling in extensively grazed pastures in a riverine fen mire.]
Bettina Holsten, Auteur ;
Birger Benn, Auteur
This study investigated nest losses of ground breeding birds due to cattle trampling on a 36 ha pasture in the river valley of the upper Eider. The pastures were seasonally extensively grazed and were dominated by a mosaic of mineral and peat so[...]
Article
Andrzej Dombrowski, Auteur ;
Artur Golawski, Auteur
The breeding bird community of a fragmented agricultural landscape in eastern Mazovian province, Poland, was studied in two periods: the late 1970s and the late 1990s. Most species were surveyed by territory mapping, the others by special method[...]
