| Titre : | Ornis Fennica 90(4) - 2013 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Per Wegge, Auteur ;
Jorund Rolstad, Auteur ;
Ken Olaf Storaunet, Auteur
The mating system of Capercaillie has been referred to as "exploded lek" because displaying males are spaced farther apart than on classical leks. However, inter-male distances and spacing behavior rarely have been quantified. In 2009-2011, we e[...]
Article
Izabela Kulaszewicz, Auteur ;
Dariusz Jakubas, Auteur ;
Katarzyna Wojczulanis-Jakubas, Auteur
Determining an individual's sex is often difficult in species with monomorphic plumage, but it is important in many ecological studies. This study proposes a logistic function for sexing the Savi's Warbler, Locustella luscinioides, based on stan[...]
Article
Grzegorz Neubauer, Auteur ;
Arkadiusz Sikora, Auteur
We investigated factors affecting the detection probability of the Collared Flycatcher Ficedula albicollis, a secretive forest passerine, whose range is confined to central and eastern Europe. With a robust design sampling protocol, 78 sites wer[...]
Article
Svein Dale, Auteur ;
Kjetil Hansen, Auteur
Since the expansion of the Rustic Bunting (Emberiza rustica) westwards in northern Europe during the 19th and 20th centuries, declines have been reported in Fennoscandia. The Norwegian population was 100-500 breeding pairs in 1994. We carried ou[...]
