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Article
Juan M. Perez-Garcia, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Francisco Botella, AuteurCapsule Despite very high breeding density, no density-dependent effects on reproductive parameters were detected. Aims To describe the distribution, abundance and breeding performance of Eagle Owls and to analyse density-dependent effects on br[...]
Article
Marcos Moleon, Auteur ; Jesus Bautista, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Jose M. Gil-Sanchez, AuteurDans Bird Study (56 2009)Capsule Birds at dispersal areas consumed more rabbits than adult territorial eagles.
Article
Guillermo Blanco, Auteur ; Luis M. Bautista, Auteur ; Damaso Hornero-Mendez, Auteur ; Sergio A. Lambertucci, Auteur ; Guillermo Wiemeyer, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Fernando Hiraldo, Auteur ; Jose A. Donazar, AuteurBecause large species ingest proportionally less food than small ones, it may be predicted that they should incorporate relatively fewer carotenoids to a proportionally equal volume of blood. However, some species may increase their levels of ci[...]
Article
Sergio A. Lambertucci, Auteur ; Pablo A. E. Alarcon, Auteur ; Fernando Hiraldo, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Guillermo Blanco, Auteur ; Jose A. Donazar, AuteurCurrent changes in the environment and increases in threats to wildlife have prompted the need for a better understanding of species' conservation requirements. Strategies for the conservation of large-sized animal species with large home ranges[...]
Article
Juan M. Perez-Garcia, Auteur ; Francisco Botella, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Marcos Moleon, AuteurElectrocution on power lines is one of the principal problems facing raptors and other medium- and large-sized birds at the global scale. The recent European-based Spanish state legislation on avian electrocutions has focused on Special Protecti[...]
Article
Martina Carrete, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Jose R. Benitez, Auteur ; Francisco Montoya, Auteur ; Jose A. Donazar, Auteur
Article
Esther Sebastian-Gonzalez, Auteur ; Francisco Botella, Auteur ; Raul A. Sempere, Auteur ; Jose A. Sanchez-Zapata, AuteurThe ideal free distribution (IFD) model predicts that a density-dependent mechanism operates to regulate habitat selection and reproductive performance. We studied a Little Grebe Tachybaptus ruficollis population, which breeds on irrigation pond[...]
Article
Martina Carrete, Auteur ; Juan M. Grande, Auteur ; José L. Tella, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Jose A. Donazar, Auteur ; Ricardo Diaz-Delgadoa, Auteur ; Alfredo Romo, AuteurExtinctions are often the result of multiple factors that are difficult to disentangle and so methods for identifying simple and combined types of extinctions are valuable for both basic and applied ecology. We applied a modification of variance[...]
Article
Martina Carrete, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Jose R. Benitez, Auteur ; Manuel Lobon, Auteur ; Jose A. Donazar, AuteurWind-farms receive public and governmental support as an alternative energy source mitigating air pollution. However, they can have adverse effects on wildlife, particularly through collision with turbines. Research on wind-farm effects has focu[...]
Article
Antoni Margalida, Auteur ; Jose R. Benitez, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Enrique Avila, Auteur ; Rafael Arenas, Auteur ; Jose A. Donazar, AuteurBetween 2000 and 2009 we studied the diet and breeding success of Egyptian Vultures Neophron percnopterus in southern Spain. Wild species accounted for 74.9% of prey items (n = 1071) with a predominance of mammals (62.3%), followed by birds (20.[...]
Article
Martina Carrete, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Jose R. Benitez, Auteur ; Manuel Lobon, Auteur ; Francisco Montoya, Auteur ; Jose A. Donazar, AuteurWind-farms have negative impacts on the environment, mainly through habitat destruction and bird mortality, making it urgent to design predictive tools to use in landscape planning. A frequent assumption of wind-farm assessment studies is that b[...]
Article
Martina Carrete, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Jose R. Benitez, Auteur ; Manuel Lobon, Auteur ; Alvaro Camina, Auteur ; Jose M. Lekuona, Auteur ; Eugenio Montelio, Auteur ; Jose A. Donazar, Auteur
Article
Jose A. Donazar, Auteur ; Ainara Cortés-Avizanda, Auteur ; Juan A. Fargallo, Auteur ; Antoni Margalida, Auteur ; Marcos Moleon, Auteur ; Zebensui Morales-Reyes, Auteur ; Ruben Moreno-Opo, Auteur ; Juan M. Perez-Garcia, Auteur ; Jose A. Sanchez-Zapata, Auteur ; Iñigo Zuberogoitia, Auteur ; David Serrano, AuteurBirds of prey have been, in comparison to other avian groups, an uncommon study model, mainly due to the limitations imposed by their conservative life strategy (low population density and turnover). Nonetheless, they have attracted a strong int[...]
