| Titre : | Vogelwarte 39(3) - Feb., 1998 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Hans Jakober, Auteur ;
Wolfgang Stauber, Auteur
In a breeding population of Red-backed Shrikes (Lanius collurio) in southern Germany we examined different measures of wings from 1991 to 1997. In each parameter characterizing wing shape there was a significant difference between adults and gro[...]
Article
Reuven Yosef, Auteur
Eilat is a well known migratory bottle-neck for raptors and other soaring birds in the Middle East. The paucity urasia stresses the importance of a raptor ringing project that of raptors ringed in the Middle Fast, Africa, and Es. A project was c[...]
Article
A. Borras, Auteur ;
J. Cabrera, Auteur ;
T. Cabrera, Auteur ;
J. C. Senar, Auteur
Sex and age variation in external biometric measurements is described for the eastern Pyrenean Citril Finch population (n = 376 birds from 16 localities). Citril Finch overall biometry could be summarized by five Principal Components (PCA), whic[...]
Article
Haralambos Alivizatos, Auteur ;
Vassilis Goutner, Auteur ;
Michael G. Karandinos, Auteur
The breeding biology of the Long-legged Buzzard (Buteo rufinus) was studied in the Evros area, north-eastern Greece in 1989, 1990, 1992 and 1993. The mean number of young fledged per pair per year was similar between years with an overall averag[...]
Article
Karl-Heinz Graef, Auteur
A barn Owl ringedas nestling was found dead in Russia 1674 km NE.
Article
Wulf Gatter, Auteur
Since the 1950's a large number of nest boxes has been hang up and checked by the Forests Department of Baden-Wurttemberg, In the period of time up to 1996 an increasing number of now approximately 180,000 boxes were checked each autumn. About 4[...]
Article
Francesco Scarton, Auteur ;
Roberto Valle, Auteur ;
Renzo Rusticali, Auteur ;
Paolo Utmar, Auteur ;
Marcello Grussu, Auteur
Over the last 20 years the Oystercatchers Italian population, one of the largest along the Mediterranean coasts, has been rapidly growing up, from 20-30 pairs estimated at the beginning of the 1980s to 63 pairs censused in 1996. The year annual [...]
Article
Increasing numbers of Peregrines (Falco peregrinus) in western Schleswig-Holstein/Germany since 1980
Guenther Busche, Auteur ;
Holger A. Bruns, Auteur ;
Peter Todt, Auteur
Numbers of Peregrines wintering and on passage in western Schleswig-Holstein have increased. 1839 observations in the period 1945-95 display declines (minimum in 1974) and increases, especially after 1988. At present (1995) 20 individuals occur [...]
Article
Stefan Bosch, Auteur ;
Peter Havelka, Auteur
By means of radio-telemetry we tracked the daily activities of two magpies of the same roosting community in winter time. In December and January which were characterized by constant freezing and by a closed snow cover both birds used a grove an[...]
Article
Thomas Roedl, Auteur ;
Heiner Flinks, Auteur
Color change in celluloid leg bands (2,8 mm wide) in a very short time (already in some more than 200 days) are recorded in light colors during long term studies on stonechats (Saxicola torquata rubicola) in Israel and Germany. Light blue colore[...]
Article
Rolf Schlenker, Auteur
Article
Wolfgang Winkel, Auteur ;
Doris Winkel, Auteur
In a nestbox study plot near Lingen (52.27 N, 7.15 E M in western Lower Saxony/Gerany a consistent increasing of Pied Flycatcher breeding pair density was established from 1974 to 1997. This is discussed in relation to the "border situation" of [...]
