| Titre : | Ornithologischer Anzeiger 40(1) - April, 2001 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Manfred Kraus, Auteur ;
Werner Krauss, Auteur
Since 1950 3657 observations of 28,770 individuals Ardeidae have been recorded in the Franconian Pond Area. 56% of the observations refer to Grey Heron, followed by Little Bittern, Bittern, Great White Egret, Purple Heron, Night Heron, Little Eg[...]
Article
Klaus Schmidtke, Auteur ;
Robert Pfeifer, Auteur ;
Jutta Stadler, Auteur ;
Roland Brandl, Auteur
By using a time series of more than 30 years, we describe the population dynamics of three grebe species occurring in a pond area of north-eastern Bavaria (Tachybaptus ruficollis, Podiceps nigricollis, P. cristatus): (1). The Little Grebe showed[...]
Article
The results of this study is based on bibliographical references, oral information by local people and ornithologists as well as the author's observations during the last 20 years. Around 1900, there used to be only one natural habitat for the B[...]
