| Titre : | Ornis Fennica 75(4) - 1998 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. Olivero, Auteur ;
R. Real, Auteur ;
J. M. Vargas, Auteur
We developed a new method of testing whether spatial change in species composition follows a gradual or discrete pattern. To do this, we first divided Europe into regions based on 55 river basins. We then tested similarity of waterbird species a[...]
Article
J. J. Purger, Auteur
The diet of Red-footed Falcon Falco vespertinus nestlings was studied continually from their hatching to fledging in four nests during 1991, near the village Melenci in the province of Voivodina, Yugoslavia. In four nests, nestlings were present[...]
Article
J. Gromadzka, Auteur ;
L. Serra, Auteur
Ringing data of 130 juvenile and 65 adult Grey Plovers caught between mid-July and mid-October at the mouth of the Vistula River, Poland, in the years 1983-1996 allowed timing and description of a differential migration between these two age cla[...]
Article
J. Banbura, Auteur ;
P. Zielinski, Auteur
In a population of Barn Swallows (Hirundo rustica) in central Poland studied in 1994-1997, the mean onset of egg laying ranged from 18 to 30 May and mean clutch sizes were 4.86 +/- 1.02 (SD) for first clutches, 4.47 +/- 0.75 (SD) for second clut[...]
