| Titre : | Ornithologischer Anzeiger 43(1) - May 2004 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Great Dusky Swifts, Cypseloides (Aerornis) senex, nest and roost behind waterfalls in subtropical and tropical South America. This exceptional behaviour may not be simply the result of a step by step approach to the falls from the sides but it c[...]
Article
Article
Article
Robert Pfeifer, Auteur
Article
Article
Changes in the breeding bird population and their possible causes over
Article
Joerg Mueller, Auteur
In Bavaria in 153 near-natural Strict Forest Reserves timber is not being used anymore. This report compares breeding bird communities of eight broad-leaved deciduous Strict Forest Reserves using data from quantitative raster mappings. Both the [...]
Article
Hans Utschick, Auteur
Combined grid (90 units of 6.25 ha) and polygon mapping (92 forest stands from 0.3 to 29.7 ha) of a bird community on 562 ha of a Mid-Swabian forest landscape (2 test areas of 250 ha each near Ettenbeuren/Krumbach and Oberschonegg/Ottobeuren; 1 [...]
