| Titre : | Vogelwarte 52(3) - 2014 |
| Type de document : | Bulletin |
| Paru le : | 01/09/2014 |
Dépouillements
Article
Hans-Valentin Bastian, Auteur ;
Anita Bastian, Auteur
Bea-eaters arrive in Rheinland-Pfalz in May, with arrival dates during an eleven year study period (2003-2013) between May 4th and May 24th. Key objective of this study was to analyze the correlation of the arrival date with the mean values of t[...]
Article
Simon Birrer, Auteur
From 1989 to 2010, territories of the Long-eared Owl were counted on 27.5 km² of an intensively cultivated landscape in central Switzerland. For a better detection of the territories sound imitations (imitation of the wing-clapping and playback [...]
