| Titre : | Ornis Fennica 89(4) - 2012 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Dmitrijs Boiko, Auteur ;
Hakon Kampe-Persson, Auteur
This study is the first to demonstrate moult migration in the Whooper Swan Cygnus cygnus. Of cygnets hatched in Latvia and known to be alive about 99% left the country to moult somewhere else in their 2nd-6th calendar year. One-sixth of these we[...]
Article
Federico Morelli, Auteur
The occurrence of Ortolan Bunting, a declining species in Europe, was investigated in relation to environmental characteristics of agricultural landscapes in Central Italy. The present work evaluated the significance of landscape features, land-[...]
Article
Katarzyna Kopiec, Auteur ;
Agnieszka Ożarowska, Auteur
A migration route leading central European breeder Blackcaps to their winter quarters in Britain and Ireland was discovered in the 1960s. This phenomenon, representing a rapid evolutionary change of migratory behavior, can be explained by a shif[...]
Article
Johnny Kahlert, Auteur ;
Aivar Leito, Auteur ;
Bjarke Laubek, Auteur ;
Leho Luigujoe, Auteur ;
Andres Kuresoo, Auteur ;
Kim Aaen, Auteur ;
Aarne Lund, Auteur
We studied the effects of weather conditions, temporal factors and distance to coast on the flight altitude of migrating waterbirds in Western Estonia. We used a laser range finder and marine surveillance radar to measure flight altitudes, and i[...]
Article
Soladoye B. Iwajomo, Auteur ;
Anders Hedenström, Auteur ;
Ulf Ottosson, Auteur
Trapping and ringing near ecological barriers can provide useful information about the migration strategies of bird species. In this paper we analyzed ringing data of the Garden Warbler, collected within the period of 1950-2008 at the Ottenby Bi[...]
