| Titre : | Vogelwelt (Die) 132(4) - 2011 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Stefan Herrmann, Auteur
The recent occurrence in the breeding season of phenotypical Red-spotted Bluethroats in German, Dutch and Polish parts of the breeding range of White-spotted Bluethroat has resulted in several publications. As those birds in several cases were r[...]
Article
Grzegorz Kopij, Auteur
There are four European owl species restricted basically to the boreal zone (taiga and mountain coniferous forests): Pygmy Owl Glaucidium passerinum, Ural Owl Strix uralensis, Great Grey Owl Strix nebulosa and Tengmalm's Owl Aegolius funereus. T[...]
Article
Michael Schmitz, Auteur
To stress the importance of protection measures for migratory bird species moulting, staging, or over wintering in Germany, it was decided to compile a Red List of Migratory Bird Species. In this Red List the more sophisticated and consistent sy[...]
Article
Bernd-Olaf Flore, Auteur
At the artificial lake Alfsee (SW Lower Saxony, Germany; protected by EC Bird Directive) waterbirds are counted three times per month throughout the year. Numbers of resting Black-necked Grebes have increased since 1990, especially in some years[...]
