| Titre : | Ornis Fennica 76(2) - 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. A. Sánchez-Zapata, Auteur ;
J. F. Calvo, Auteur
Breeding territories of Tawny Owls Strix aluco were surveyed in Murcia,
Article
M. Hario, Auteur ;
E. Rudback, Auteur
In most studies on ground-nesting large gulls, there has been a common consensus that the death of the C-chick is the outcome of preferential feeding of larger chicks by the parents. The functional mechanism of this third-chick disadvantage woul[...]
Article
J. Valkama, Auteur ;
D. Currie, Auteur
We monitored population changes and breeding success of Curlews Numenius arquata in a 18 km(2) arable farmland area in southwestern Finland over a four-year period (1995-1998). During this time, the breeding population decreased from 30 to 23 pa[...]
Article
S. Haftorn, Auteur
The study was carried out in the alpine birch region in central Norway. According to flock attachment and behaviour juvenile Willow Tits were classified into five categories: regulars (permanent flock members), vanishers (Rock members disappeari[...]




