La Tour du Valat

Article

Biases associated with the use of a playback in stopover ecology studies of Bluethroats Luscinia svecica

Juan Arizaga, Auteur ; Raphaël Musseau, Auteur ; Maite Laso, Auteur ; Xabier Esparza, Auteur ; Edorta Unamuno, Auteur ; Ainara Azkona, Auteur ; Philippe Fontanilles, Auteur

Dans Bird Study (62(2) avril 3, 2015)

Capsule The effects of playback use on number of captures, recaptures, fuel load, and age and sex ratios, and so potential bias in stopover studies in migrant Bluethroats was investigated. Playback promoted biases in the number of captures (alth[...]

Plus d'information...

Ajouter au panier

Article

Biases associated with the use of a playback in stopover ecology studies of Bluethroats Luscinia svecica

Juan Arizaga, Auteur ; Raphaël Musseau, Auteur ; Maite Laso, Auteur ; Xabier Esparza, Auteur ; Edorta Unamuno, Auteur ; Ainara Azkona, Auteur ; Philippe Fontanilles, Auteur

Dans Bird Study (62(2) avril 3, 2015)

Capsule The effects of playback use on number of captures, recaptures, fuel load, and age and sex ratios, and so potential bias in stopover studies in migrant Bluethroats was investigated. Playback promoted biases in the number of captures (alth[...]

Plus d'information...

Ajouter au panier

Article

Occupancy and abundance of Little Owl Athene noctua in an intensively managed forest area in Biscay

Jabi Zabala, Auteur ; Iñigo Zuberogoitia, Auteur ; Jose A. Martinez-Climent, Auteur ; Jose E. Martinez, Auteur ; Ainara Azkona, Auteur ; Sonia Hidalgo, Auteur ; Agurtzane Iraeta, Auteur

Dans Ornis Fennica (83(3) 2006)

We censused a population of Little Owls in Biscay (North Iberian Peninsula) using playback calls. We modelled their distribution using Geographic Information System (GIS), extracting data on land use and landscape composition in occupied and uno[...]

Plus d'information...

Ajouter au panier

Article

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[...]

Plus d'information...

Ajouter au panier

Article

Seasonal dynamics in social behaviour and spacing patterns of the Little Owl Athene noctua

Iñigo Zuberogoitia, Auteur ; Jabi Zabala, Auteur ; Jose Antonio Martinez, Auteur ; Sonia Hidalgo, Auteur ; José Enrique Martínez, Auteur ; Ainara Azkona, Auteur ; Inaki Castillo, Auteur

Dans Ornis Fennica (84(4) 2007)

Most 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[...]

Plus d'information...

Ajouter au panier

Article

Social interactions between two owl species sometimes associated with intraguild predation

Iñigo Zuberogoitia, Auteur ; José Enrique Martínez, Auteur ; Jabi Zabala, Auteur ; Jose Antonio Martinez, Auteur ; Ainara Azkona, Auteur ; Inaki Castillo, Auteur ; Sonia Hidalgo, Auteur

Dans Ardea (96(1) SPR 2008)

Species 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[...]

Plus d'information...

Ajouter au panier

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[...]

Plus d'information...

Ajouter au panier