| Titre : | Ornis Fennica 82(3) - 2005 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
T. Solonen, Auteur
Large-scale patterns and variations in the occurrence and breeding of the Tawny Owl Strix aluco in Finland was studied in relation to the availability of small voles and wintering birds as well as to general weather conditions of the preceding w[...]
Article
A. Mariakangas, Auteur ;
S. Kiviniemi, Auteur
We studied the movement patterns of 209 female Black Grouse radio-marked during 1990-1993 in eastern central Finland. Females were captured for marking in late winter, and the transmitters had a life expectancy of 6-10 months. Adults tended to i[...]
Article
J. Lind, Auteur ;
F. Jongren, Auteur ;
J. Nilsson, Auteur ;
D. S. Alm, Auteur ;
A. Strandmark, Auteur
To maximise survival during foraging animals must decide when and for how long foraging should be interrupted in order to avoid predators. Previous experiments have shown that birds that hear other individuals' alarm calls resume feeding later t[...]
Article
V. Vepsalainen, Auteur ;
T. Pakkala, Auteur ;
J. Tiainen, Auteur
While many farmland bird species are declining in Western Europe, the Finnish Tree Sparrow Passer montanus population has increased significantly during recent decades. During 1984-2002, we studied the population changes, colonization characteri[...]
Article
C. R. Park, Auteur ;
W. S. Lee, Auteur ;
T. Hino, Auteur
The temporal change of foraging niche among breeding tits (Great Tit Parus major, Varied Tit P. varius, Marsh Tit P. palustris and Coal Tit P. ater) was studied in a Korean temperate deciduous forest from December 1998 to June 1999. We studied f[...]
