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Auteur MARGALIDA Antoni |
Documents disponibles écrits par cet auteur (8)
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MARGALIDA Antoni, Auteur ; COLOMER Angels, Auteur ; SANUY Delfi, Auteur |Dans PLoS ONE (6)Our results suggest that public health legislation can modify scavenger population trends if a large number of domestic ungulate carcasses disappear from the mountains. In this case, food provided by wild ungulates could be not enough and suppl[...]texte imprimé
HEREDIA Rafael, Auteur ; MARGALIDA Antoni, Auteur ; PARELLADA Xavier, Illustrateur | European Comission DG Environnement | s.d.Guide de détermination du gypaète barbu par tranches d'âge et observation du plumage.Article : texte imprimé
MARGALIDA Antoni, Auteur ; BERTRAN Joan, Auteur |Dans Ardeola (42 (2))We studied the diet of a pair of Bearded Vultures during the breeding season, as well as their selection of food regarding the carcasses theoretically available within the home range of the pair. The methodology used was based on direct observat[...]Article : texte imprimé
MARGALIDA Antoni, Auteur ; BERTRAN Joan, Auteur |Dans Ardeola (51 (2))The difference in size between both species, and the type of food affected the Ravens’ parasitic efficiency. For the Bearded Vultures, the negative effects of coexisting with the Ravens are associated with the energetic costs derived from nest [...]Article : texte imprimé
MARGALIDA Antoni, Auteur ; GARCIA Diego, Auteur |Dans Ardeola (58 (2))Although interspecific competition for nests has been described in several raptor species, intraspecific interactions have rarely been reported. We describe three cases of intraspecific nest usurpation in the threatened bearded vulture Gypaetu[...]Article : texte imprimé
MARGALIDA Antoni, Auteur ; COLOMER Angels, Auteur ; ORO Daniel, Auteur |Recent changes in sanitary policies within the European Union (EU) concerning disposal of carcasses of domestic animals and the increase of non-natural mortality factors, such as illegal poisoning, are threatening European vultures. However, the[...]Article : texte imprimé
MARGALIDA Antoni, Auteur ; BERTRAN Joan, Auteur |Dans Ardea (88 (2), 2000)Bearded Vultures Gypaetus barbatus began supplying material to their nests on average 111 d (range 91-126 d) prior to laying . Males were signifr icantly more active that females. Heavy material (branches) was transported indistinctly in the tal[...]Article : texte imprimé
MORENO-OPO Ruben, Auteur ; TRUJILLANO Ana, Auteur ; MARGALIDA Antoni, Auteur |Despite the consensus among ecologists and conservationists of the importance of maintaining scavenger feeding patterns based primarily on natural prey sources, human-mediated feeding remains a widely used management tool for threatened wildlife[...]