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Article
Iñigo Zuberogoitia, Auteur ; José Enrique Martínez, Auteur ; José Antonio González‐Oreja, Auteur ; Juan Manuel Pérez de Ana, Auteur ; Jabi Zabala, AuteurDans Ibis (161(4) 2019)Two hypotheses have been proposed to link population regulation to density-dependent changes in demographical parameters: the habitat heterogeneity hypothesis (HHH) states that, as population density rises, an increasing proportion of individual[...]
Article
Iñigo Zuberogoitia, Auteur ; Gorka Burgos, Auteur ; José Antonio González‐Oreja, Auteur ; Jon Morant, Auteur ; José Enrique Martínez, Auteur ; Jabi Zabala Albizua, AuteurTo use vocalizations properly for the estimation of owl population size, it is important to identify how environmental factors affect owl calling behaviour. Here, we analyse how intrinsic and extrinsic factors modify the vocal activity of Tawny [...]
Article
Iñigo Zuberogoitia, Auteur ; Juan Antonio Gil, Auteur ; José Enrique Martínez, Auteur ; Birgit Erni, Auteur ; Bakartxo Aniz, Auteur ; Pascual López-López, AuteurMoult is an extremely time-consuming and energy-demanding task for large birds. In addition, there is a trade-off between the time devoted to moulting and that invested in other activities such as breeding and/or territory exploration. Moreover,[...]
Article
Iñigo Zuberogoitia, Auteur ; Juan Antonio Gil, Auteur ; José Enrique Martínez, Auteur ; Birgit Erni, Auteur ; Bakartxo Aniz, Auteur ; Pascual López-López, AuteurMoult is an extremely time-consuming and energy-demanding task for large birds. In addition, there is a trade-off between the time devoted to moulting and that invested in other activities such as breeding and/or territory exploration. Moreover,[...]
Article
Josep Bosch, Auteur ; José Enrique Martínez, Auteur ; José Francisco Calvo, Auteur ; Iñigo Zuberogoitia, Auteur ; María Victoria Jiménez-Franco, AuteurThe breeding performance of birds of prey is often related to changes in rainfall, which affects the productivity of the environment and the availability of food and may thereby affect chick survival. We investigated the influence of rainfall on[...]
Article
Iñigo Zuberogoitia, Auteur ; Jabi Zabala, Auteur ; Jose Antonio Martinez, Auteur ; Sonia Hidalgo, Auteur ; José Enrique Martínez, Auteur ; Ainara Azkona, Auteur ; Inaki Castillo, AuteurMost owl species exhibit territorial behaviour in order to have sufficient resources to maintain their fitness and biological success. The Little Owl (Athene noctua) has been considered a territorial species, although some authors have pointed t[...]
Article
Iñigo Zuberogoitia, Auteur ; José Enrique Martínez, Auteur ; Jabi Zabala, Auteur ; Jose Antonio Martinez, Auteur ; Ainara Azkona, Auteur ; Inaki Castillo, Auteur ; Sonia Hidalgo, AuteurSpecies may act simultaneously as competitor and predator for other species at the same trophic level. This is known as Intraguild Predation (IGP). Most research on this topic describes the final steps of this phenomenon, when one species suffer[...]
