| Titre : | Ornis Fennica 75(3) - 1998 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
B. S. Petersen, Auteur
Decreasing populations of farmland birds have been reported throughout
Article
K. Halupka, Auteur
Predation was the most important cause of nest failures in a population of Meadow Pipits Anthus pratensis breeding in a natural fen mire in Biebrza marshes (NE Poland). According to the Mayfield method, in two breeding seasons, predators interru[...]
Article
The behaviour of five young Bonelli's Eagle Hieraaetus fasciatus was monitored from leaving the nest to dispersal in 1987 in three breeding sites in Catalonia (NE Spain), by means of radio-tracking techniques. On average, the young left the nest[...]
Article
G. Jansson, Auteur
The ability to predict the patch occurrence of a deciduous forest bird guild through an indicator species was tested using published data. Except for the indicator, the Long-tailed Tit (LT), the guild consisted of the Marsh Tit (MT), the Blue Ti[...]



