| Titre : | Vogelwelt (Die) 128(2) - 2007 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Michael Fangrath, Auteur
in a study of the behaviour of 13 pairs of White Stork and their fledged young (n = 31) all birds could be identified individually by colour and code rings, radio transmitters and plumage characteristics. Outside the nest young storks showed a s[...]
Article
Alfred Gruell, Auteur ;
Johann Gross, Auteur ;
Josef Steiner, Auteur
We present data on seasonal singing activity, aggressive behaviour and a case of probable polygyny in the Hoopoe. Data were collected in the course of a territory mapping in the 'Neusiedler See - Seewinkel' National Park in the period 2002-2005.[...]
Article
Siegfried Schuster, Auteur ;
Arne Brall, Auteur
The breeding birds in three line transects at Lake Constance were censused between 1968 and 2001 (2004). After a strong decrease of species diversity at the beginning of the study, a constant or even increasing trend was observed since 1985. An [...]
Article
Guenther Busche, Auteur
In 2005, during a complete survey of the Magpie breeding population in the county of Dithmarschen, 321 territories (i.e. 0.23 territories/km(2) on 1,405 km(2)) were recorded. Magpies breed today in Dithmarschen in the vicinity of farms, detached[...]
Article
Hermann Hoetker, Auteur ;
Heike Jeromin, Auteur ;
Johannes Melter, Auteur
A high proportion of bird species breeding in Germany has population sizes that are too small to be covered adequately by the monitoring of common bird species. On the other hand, many of these species are too common to be included in monitoring[...]
Article
Hermann Hoetker, Auteur ;
Heike Jeromin, Auteur ;
Johannes Melter, Auteur
A high proportion of bird species breeding in Germany has population sizes that are too small to be covered adequately by the monitoring of common bird species. On the other hand, many of these species are too common to be included in monitoring[...]
