| Titre : | Vogelwarte 51(1) - 2013 |
| Type de document : | Bulletin |
| Paru le : | 01/01/2013 |
Dépouillements
Article
Bernd Leisler, Auteur ;
Karl Schulze-Hagen, Auteur
The pale-coloured eyes of certain vertebrate species can give the impression of a ‘penetrating gaze’ and a threatening or dangerous appearance. However, there have been few tests of this hypothesis, but three recent studies of birds – in which p[...]
Article
Leander Khil, Auteur
The paper describes the external changes of chicks of the Eurasian Oystercatcher (Haematopus ostralegus) from hatching to fledging. The downy plumage, bill, legs and eye-ring and the growth of plumage from the first until about the 40th day of l[...]
Article
Eberhard Mey, Auteur
The new observation documented here from Myall Lakes National Park, New South Wales (Australia) on 8.9.2011 of a Myrsidea species drinking eye secretion on a Superb Fairy-wren Malurus cyaneus cyanochlamys Sharpe, which was behaving unusually, pr[...]
Article
Christoph Unger, Auteur ;
Siegfried Klaus, Auteur
uring winter (October-April) of 2002 to 2005 roosting trees of Capercaillie (n=91 males, n=29 females) in the Thuringian slate mountains were analysed. In the study area, pine Pinus silvestris was the dominating tree species (67 %,) followed by [...]
Article
Swen C. Renner, Auteur ;
Kathrin Schidelko, Auteur ;
Darius Stiels, Auteur ;
Sabine Baumann, Auteur ;
Dieter Thomas Tietze, Auteur ;
Christoph Purschke, Auteur ;
Christoph Hinkelmann, Auteur ;
Friederike Woog, Auteur
Article
Ralf Aumüller, Auteur ;
Karin Boos, Auteur ;
Sabine Freienstein, Auteur ;
Katrin Hill, Auteur ;
Reinhold Hill, Auteur
When addressing potential threats of offshore wind farms on migrating birds, avoidance behavior in response to wind farms is among those commonly mentioned, meaning that wind farms can act as barriers for migrants. Substantial - but otherwise sp[...]
Article
Stefan Bosch, Auteur
In chilly winter nights wrens start „cluster roosting“ as a response to low temperatures in suitable locations. Up to 18 wrens used a wooden concrete nestbox for roosting, which was prepared with a monitoring camera. We can therefore report on w[...]
