| Titre : | Ornis Fennica 80(2) - 2003 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
D. Tome, Auteur
The diet of the Long-eared Owl (Asio otus) was investigated in central Slovenia from 1982 to 2001. The Common vole (Microtus arvalis) was the most frequent prey species (55% of all items by number), with a yearly proportion in the diet from 17% [...]
Article
S. Tworek, Auteur
Several features of habitat fragmentation, including habitat area, isolation from other suitable habitats and habitat-edge phenomena, have been associated with negative effects on animal populations. Most studies on birds have concerned forest i[...]
Article
C. Acquarone, Auteur ;
M. Cucco, Auteur ;
G. Malacarne, Auteur
From 1994 to 1999, we investigated how climatic conditions influence the laying dates and number of fledged young of the Crag Martin Ptyonoprogne rupestris, a poorly studied colonial martin that, like other aerial feeding birds, is supposed to b[...]
Article
M. Hromada, Auteur ;
L. Kuczynski, Auteur ;
A. Kristin, Auteur ;
P. Tryjanowski, Auteur
We tested the morphological trait utility in Great Grey Shrike Lanius excubitor. The food composition was used as an indicator of phenotype performance advantage in utilising of particular dietary niche. Mounts and accompanying data (measurement[...]
