| Titre : | Ornis Fennica 88(1) - 2011 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Raphael I. Dias, Auteur ;
Regina H. Macedo, Auteur
Food limitation is one explanation for differences in life-history traits, such as clutch size or nestling mortality, between tropical and temperate birds. Also predation has been considered one of the major factors shaping life-histories. We fo[...]
Article
Juan Moreno, Auteur ;
Elisa Lobato, Auteur ;
Judith Morales, Auteur
The colour fading in eggs of the Pied Flycatcher was studied in Spain. Egg colour for >400 eggs was estimated at the moment of oviposition, at the onset of incubation, and at the end of incubation. Results, obtained using a spectrophotometer, sh[...]
Article
Zuzanna M. Rosin, Auteur ;
Zbigniew Kwiecinski, Auteur
Food composition of the White Stork Ciconia ciconia has been widely studied by pellet analysis throughout Europe, but the effect of digestibility on pellet contents has remained unclear. We studied the effect of digestion on the composition of p[...]
Article
Saija Sirkia, Auteur ;
Pekka Helle, Auteur ;
Harto Linden, Auteur ;
Ari Nikula, Auteur ;
Kai Norrdahl, Auteur ;
Petri Suorsa, Auteur ;
Pentti Valkeajarvi, Auteur
We studied the effects of habitat loss, fragmentation and their interaction on the persistence of Capercaillie lekking areas at three study areas in Finland. We inspected a total of 381 leks twice with an interval of 10-30 years, and classified [...]
Article
Martti Hario, Auteur ;
Jari M. J. Nuutinen, Auteur
Severe reproductive failure has contributed to a drastic population decline of the nominate Lesser Black-backed Gull (Larus fuscus fuscus) in its breeding grounds in the Gulf of Finland and the Bay of Bothnia. In intensive field studies in the c[...]
