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Reduced food availability induces behavioural changes in Griffon Vulture Gyps fulvus

Iñigo Zuberogoitia, Auteur ; Jose E. Martinez, Auteur ; Antoni Margalida, Auteur ; Imanol Gomez, Auteur ; Ainara Azkona, Auteur ; Jose Antonio Martinez, Auteur

Dans Ornis Fennica (87(2) 2010)

In natural conditions, Griffon Vultures typically show shy behaviour and escape by flying if approached by humans. According to the state-dependent foraging theory, Griffon Vultures should modify their foraging behaviour depending on food availa[...]

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Article

Using recruitment age, territorial fidelity and dispersal as decisive tools in the conservation and management of peregrine falcon (Falco peregrinus) populations: the case of a healthy population in Northern Spain

Iñigo Zuberogoitia, Auteur ; Jose Antonio Martinez, Auteur ; Ainara Azkona, Auteur ; Jose Enrique Martinez, Auteur ; Inaki Castillo, Auteur ; Jabi Zabala, Auteur

Dans Journal of Ornithology (150(1) JAN 2009)

Methods of evaluating population trends have recently received particular attention because of perceived declines in several species during the twentieth century. We have studied demographic traits of the peregrine falcon (Falco peregrinus) popu[...]

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