| Titre : | Ardea 89(3) - 2001 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. Banbura, Auteur ;
P. Perret, Auteur ;
Jacques Blondel, Auteur ;
A. Sauvages, Auteur ;
M. J. Galan, Auteur ;
M. M. Lambrechts, Auteur
Dans
Ardea (89(3) 2001)
Parental behaviour of Blue Tits Pants caeruleus was video-recorded and analysed in an insular Mediterranean population that is believed to be adapted to food-limited conditions of an evergreen woodland. The population undergoes high external par[...]
Article
N. Chernetsov, Auteur ;
N. Titov, Auteur
Dans
Ardea (89(3) 2001)
The foraging movements of European Reed Warblers Acrocephalus scirpaceus and Sedge Warblers Acrocephalus schoenobaenus at migratory stopover sites were studied by comparing the frequency distribution of distances between capture-recapture locali[...]
Article
M. Moritzi, Auteur ;
L. Maumary, Auteur ;
D. Schmid, Auteur ;
I. Steiner, Auteur ;
L. Vallotton, Auteur ;
R. Spaar, Auteur ;
Olivier Biber, Auteur
Dans
Ardea (89(3) 2001)
Following its extinction in 1950, the White Stork Ciconia ciconia was reintroduced to Switzerland. We analysed time budget, habitat use and breeding success of 28 breeding pairs at five sites in 1994. At two sites the adults were given extra foo[...]
Article
Article
F. Criscuolo, Auteur ;
Michel Gauthier-Clerc, Auteur ;
Y. Le Maho, Auteur ;
T. Zorn, Auteur ;
G. W. Gabrielsen, Auteur
Dans
Ardea (89(3) 2001)
Article
H. Hotker, Auteur ;
M. Frederiksen, Auteur
Dans
Ardea (89(3) 2001)
After the breeding season Pied Avocets Recurvirostra avosetta gather at moulting sites. Counts show that some of these sites host large parts of the total population, but it is not known how many individuals use a particular site over a season ([...]
Article
B. Spaans, Auteur ;
P. Postma, Auteur
Dans
Ardea (89(3) 2001)
On the Dutch Wadden Sea island Texel, spring-fattening Dark-bellied Brent Geese Branta bernicla fed almost exclusively inland on improved grasslands, whereas the remainder of the flyway population utilised coastal saltmarshes elsewhere in the Wa[...]
Article
S. Dale, Auteur
Dans
Ardea (89(3) 2001)
Many animal populations are affected by road-kills. In this note I report that corpses of road-killed Sand Martins Riparia riparia attracted conspecifics and thereby increased mortality risk. Close to a lake in northern Greece I observed large n[...]
Article
A. Antonov, Auteur ;
D. Atanasova, Auteur
Dans
Ardea (89(3) 2001)
During a 2-year study in Sofia, Bulgaria, second clutches were recorded in Alpine Swift Apus melba, a species stated to raise only one brood per year. Each of the second clutches was laid after a successful first breeding attempt, in one case pr[...]
Article
J. F. Seguin, Auteur ;
J. C. Thibault, Auteur ;
J. Torre, Auteur ;
P. Bayle, Auteur ;
J. D. Vigne, Auteur
Dans
Ardea (89(3) 2001)
The diet of young Golden Eagles Aquila chrysaetos in Corsica (Western Mediterranean) has been studied by identifying remains and pellets collected at nests after fledging from 1991 to 1996. Ten mammalian species, 17 birds and two reptiles have b[...]
Article
P. Sunde, Auteur ;
K. Overskaug, Auteur ;
J. P. Bolstad, Auteur ;
I. J. Oien, Auteur
Dans
Ardea (89(3) 2001)
The Tawny Owl Strix aluco was studied at the northernmost limit of its geographical range (63 degrees 20'N) in order to investigate how this extremely residential species has adapted to the marginal conditions of its northern outpost. The presen[...]
Article
G. Scheiffarth, Auteur
Dans
Ardea (89(3) 2001)
Estimating diet composition of Bar-tailed Godwits Limosa lapponica by visual observations was hampered by large amounts of unidentified prey items. Therefore, additional analyses of faeces were conducted. Overall,
Article
V. Selas, Auteur
Dans
Ardea (89(3) 2001)
In a 500 km(2) study area situated 100-400 m above sea level in southern Norway, breeding density and offspring production of Common Buzzard Buteo buteo was studied in relation to snow depth in spring during 1985-97. Because a thick snow layer w[...]
Article
F. Daunt, Auteur ;
P. Monaghan, Auteur ;
S. Wanless, Auteur ;
M. P. Harris, Auteur
Dans
Ardea (89(3) 2001)
While age related improvements in breeding success have been reported in many avian species, the underlying mechanisms are not well understood. Ectoparasite load can have a significant deleterious effect on many aspects of host fitness. If young[...]
