| Titre : | Ardea 94(1) - Spring, 2006 |
| Type de document : | Bulletin |
| Paru le : | 01/03/2006 |
Dépouillements
Article
Lutz Dalbeck, Auteur ;
Dik Heg, Auteur
Eagle Owls Bubo bubo were successfully reintroduced in the Eifel (Germany) in 1974 - 1999. Here we analyse whether reproductive success was related to habitat characteristics and if the patterns of habitat use and reproduction changed during the[...]
Article
Barbara Helm, Auteur ;
Wolfgang Fiedler, Auteur ;
John Callion, Auteur
Ringing recoveries of European Stonechats increased more than tenfold to 1162 since the last in-depth analysis in 1965. This paper presents a new overview over all recoveries and detailed analyses of Stonechats ringed during the breeding season [...]
Article
Lutz Dalbeck, Auteur ;
Dik Heg, Auteur
Eagle Owls Bubo bubo were successfully reintroduced in the Eifel (Germany) in 1974 - 1999. Here we analyse whether reproductive success was related to habitat characteristics and if the patterns of habitat use and reproduction changed during the[...]
Article
R. H. Drent, Auteur
Article
Victor N. Bulyuk, Auteur
The navigational abilities of migratory birds are stunning, yet little is known about the environmental cues and behavioural mechanisms which lead to a pin-point termination of migration. This paper reports the data on 10 individual passerine no[...]
Article
Maud Poisbleau, Auteur ;
Hervé Fritz, Auteur ;
Stephanie Dano, Auteur ;
Marcel M. Lambrechts, Auteur
For long-term monogamous species, it may be important to have demographic, morphological, physiological and/or behavioural compatibility within pairs. We used field data on wild populations of Dark-bellied Brent Geese, a species showing extreme [...]
Article
Paul Scholte, Auteur
The impact of reflooding of a desiccated floodplain on waterbirds in North Cameroon was monitored, using January counts in 1992-2000. Bird numbers in the dry season increased from 60 000 to 105 000, whereas the number of species surpassing inter[...]
Article
Peter Post, Auteur ;
Frank Gotmark, Auteur
Studies of Sparrowhawk Accipiter nisus predation have revealed a seasonal change in the predation risk of many prey species during spring and summer. Several species nesting in forest experienced decreasing risk of predation, while species in se[...]
Article
Gerald Mayr, Auteur
A partial skeleton of a medium-sized fossil rail is described from the early Oligocene of Hofheim-Wallau in Germany and tentatively assigned to Belgirallus oligocaenus Mayr & Smith 2001. It is the earliest substantial fossil record of Rallidae a[...]
Article
Daniel Alonso, Auteur ;
Juan Arizaga, Auteur ;
Rafael Miranda, Auteur ;
M. Ángeles Hernández, Auteur
Two subspecies of Common Crossbill Loxia curvirostra are currently accepted to be present in Iberia and the Balearics: L.c. curvirostra and L.c. balearica. Nonetheless, some populations in S Iberia are yet to be known, especially regarding their[...]
Article
Mariano Paracuellos, Auteur
Correlations of richness and distribution of passerines were studied in a complex of 40 vegetation patches dominated by Common Reed Phragmites australis (0.05-28.66 ha) in south-eastern Spain. Fourteen morphological, hydrological and vegetative [...]
Article
Alfréd Trnka, Auteur ;
Pavol Prokop, Auteur
Predation can act as a selective pressure on birds, which may be expected therefore to change habitat use in the presence of predators. To examine this, experiments were performed using Marsh Harrier Circus aeruginosus silhouettes. The effect of[...]
Article
Matthew R. Jubb, Auteur ;
Teddy A. Wilkin, Auteur ;
Andrew G. Gosler, Auteur
Recent studies of Great Tit Parus major eggs in Wytham Woods, UK, indicate that the eggshell's pigmentation is related to the eggshell's thickness and so also to calcium availability (indicated by soil analysis) near to the nest. Previous work e[...]
Article
Jenifer Andreu, Auteur ;
Emilio Barba, Auteur
We studied patterns of breeding dispersal of adult Great Tits Parus major in a homogeneous habitat (extensive orange plantations) in eastern Spain. Data included 482 movements of known individuals gathered during
