| Titre : | Journal of Ornithology 144(3) - JUL 2003 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. Ptaszyk, Auteur ;
J. Kosicki, Auteur ;
T. H. Sparks, Auteur ;
P. Tryjanowski, Auteur
Changes in the spring arrival dates of migrant birds, particularly passerines, have been -reported from a range of locations. In this paper we take the opportunity provided by a -detailed monitoring scheme to examine several features of the timi[...]
Article
S. Berger, Auteur ;
R. Disko, Auteur ;
H. Gwinner, Auteur
We investigated the bacterial frequency and identified 11 genera of bacteria in starling-nests of a nest box colony in southern Germany. We sampled bacteria with a new method: agar paddles, developed for the food industry, were pressed against t[...]
Article
W. Nachtigall, Auteur ;
M. Stubbe, Auteur ;
S. Herrmann, Auteur
In the years 1997 and 1998 we studied the home range and habitat use of the red kite with radio tracking in the region of Hakel (Sachsen-Anhalt, 51.93 N; 11.16 E). We caught one male in both years. This male remained the whole time in the area w[...]
Article
P. Prochazka, Auteur ;
M. Honza, Auteur
In a coevolutionary arms race between a brood parasite and its host, both species are expected to evolve adaptations and counteradaptations, such as egg mimicry and egg discrimination. The Common Whitethroat (Sylvia communis) is a regular Common[...]
Article
O. Elle, Auteur
Owing to different preferences of habitat structures, Blackcaps (BC) and Whitethroats (WH) do not occur syntopically in most biotopes. The WH is most likely to be found in scrub, whereas the BC is more of a woodland species. However, how much do[...]
Article
I. Ottich, Auteur ;
V. Dierschke, Auteur
The seasonal variation in the supply of ripe Elderberries (Sambucus nigra ) on the offshore island of Helgoland (North Sea) was examined from the point of view of the effect of food supply and exploitation on the stopover behaviour of migrating [...]
Article
T. R. Birkhead, Auteur ;
K. Schulze-hagen, Auteur ;
G. Palfner, Auteur
Hans Duncker (1881-1961) is among the first avian geneticists, but remains poorly known. He trained as a biologist, completing his PhD at the University of Gottingen in 1905 and then became a high-school teacher in Bremen where he remained for t[...]
Article
A. Borras, Auteur ;
T. Cabrera, Auteur ;
J. Cabrera, Auteur ;
J. C. Senar, Auteur
The diet of the Citril Finch (Serinus citrinella ) in its eastern range is well known, especially in spring; however, no data are available from its western populations. The aim of this paper is to provide extensive data on the diet of the speci[...]
Article
F. E. Rheindt, Auteur
Traffic noise is known to have a negative impact on bird populations in general, but little is known about the mechanisms by which sound pollution affects bird communities. However, a knowledge of these mechanisms is imperative if we want to acc[...]
Article
B. Nicolai, Auteur ;
O. Krone, Auteur
Article
J. Van Der Winden, Auteur ;
M. Nesterenko, Auteur
Numbers, biometrics and feeding ecology of two marsh tern species, the Black Tern (Chlidonias niger ) and White-winged Tern (C. leucopterus ) were studied in the Sivash, Ukraine in July-August 1996 and 1998. In 1998 the Sivash region was counted[...]
