| Titre : | Vogelwarte 40(3) - November, 2000 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Erwin Rudolf Scherner, Auteur
Two phases, termed "normal" and immutabilis ("Polish Swan") respectively, are known in Cygnus olor. The differences between them refer to down coat, juvenile plumage and unfeathered skin parts (e. g., feet). The dimorphism is controlled by two s[...]
Article
Nadav Levy, Auteur
Article
Jan-Dieter Ludwigs, Auteur
On 22nd of May 1999 a melanistic Blackcap was observed near San Pedro de Brena Alta (La Palma/Canary Islands). This is the first record of a "Schleiergrasmuecke" ("Veiled Blackcap" in BERTHOLD ET AL. 1997) since 1993 and the second in this centu[...]
Article
Stefan Bosch, Auteur
Zoonoses may concern persons working outdoor or persons with contact to wild animals. Encephalitis and Lyme-Borreliosis are the most important tick borne infections in Middle Europe. Knowledge of the endemic areas and the danger of infection are[...]
Article
Hans Jakober, Auteur ;
Wolfgang Stauber, Auteur
In 1998, a colour- ringed pair of Red-backed Shrike arrived early in its breeding territory in Southern Germany. The female laid the first egg already on May 4th, the earliest laying date known in Europe. About six days after fledging of the 5 j[...]
Article
Klaus Fischer, Auteur ;
Jochen Martens, Auteur
Population density of Magpie and Common Crow was investigated in 16 study areas (about 208 km2 in total) in Rheinland-Pfalz (Germany) during winter 1996/97 and breeding season 1997. The winter abundance amounted to 1.4 and 3.2 ind./km2 for Magpi[...]
Article
Luca Puglisi, Auteur ;
N. Emilio Baldaccini, Auteur
Article
Nikita Chernetsov, Auteur ;
Andranik Manukyan, Auteur
We analysed diet and foraging strategy of migrating Sedge Warblers during spring migration, post-fledging movements, and autumn migration on the Courish Spit (SE Baltic coast). In spring beetles, dipterans, including chironomids, true bugs, and [...]
Article
Manfred Temme, Auteur
Article
Christoph Randler, Auteur
Presumed wild hybrids between the Common Pochard (Aythya ferina) and the Ferruginous Duck (A. nyroca) have been noted in Central Europe first in 1955. Hybridization between these two species is very common and their offspring is said to be ferti[...]
Article
Jochen Bellebaum, Auteur
Seasonal occurence and success of first and second broods were investigated in two Coot populations in Westphalia (North-West Germany) 1992-1995. In the seminatural Lippe valley second broods occurred only in one of three years. Among the popula[...]
Article
Wlodzimierz Meissner, Auteur
Redshanks were counted daily at three sites at the Gulf of Gdansk. The dynamics of migration differed between studied seasons. However, in the majority of years the pattern showed a clear wave structure. It is known that two different population[...]
Article
Elena Diadicheva, Auteur ;
Natalia Matsievskaya, Auteur
The Azov-Black Sea region and particularly the Sivash is an important stopover site for waders during their spring and autumn migration. A total of 24,477 waders of 33 species have been ringed by the Azov-Black Sea Ornithological Station between[...]
