| Titre : | Ornithologischer Anzeiger 52(1-2) - AUG 2013 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Robert Pfeifer, Auteur ;
Jacqueline Cromer, Auteur
The mutation of this bird, observed in February 2013 near Weidenbach, Middle Franconia, is defined as "Brown", a qualitative reduction of eumelanin. The eumelanin synthesis is incomplete as the eumelanin is not fully oxidized. The phaeomelanin i[...]
Article
Helmut Meyer, Auteur
Tengmalm's Owl usually nests once per breeding season. When food conditions are exceptionally good, a female may mate with another male and start nesting again while the chicks of her first brood are still fledglings. If the number of small mamm[...]
Article
Uwe Bauer, Auteur
In 2010 to 2012 the breeding population of the Lapwing Vanellus vanellus in the administrative district of Aichach-Friedberg (Bavaria) was systematically recorded. In three breeding populations and five breeding sites of only one or a single pai[...]
Article
Ursula Wink, Auteur
A population of Honey Buzzards in an area of 250 km(2) with various habitats in the region of Lake Ammersee was studied in 2006-2012. Ten territories with definite and two with likely breeding evidence were located. Six breeding areas were on th[...]
Article
Simon Thorn, Auteur ;
Franz Leibl, Auteur ;
Juergen Wohlfahrt, Auteur ;
Joerg Mueller, Auteur
Windthrows are currently the main disturbance in the spruce forests that dominate the Central German Uplands. Such large clearings in mountainous regions provide suitable habitats for endangered birds of open habitats. With this in mind we condu[...]
Article
Josef Trauttmansdorff, Auteur ;
Bernd-Ulrich Rudolph, Auteur
The contents of 36 stomachs of goosanders originating from Bavaria were analyzed: 17 were legally shot on the river Bier and nine on the river Mangfall, ten were found with different causes of death in other water bodies in Southern Bavaria. The[...]
Article
Manfred Kraus, Auteur ;
Werner Krauss, Auteur
Little Grebe Tachybaptus ruficollis: Breeding bird, moderately migratory A slight long-term decline of resting birds is noticeable. The breeding status varies around an average of 51 pairs (between 28 to 78), tendency falling.Great Crested Grebe[...]
