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Documents disponibles écrits par cet auteur (6)
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Article
Juan Carlos Senar, Auteur ; Jeff Kew, Auteur ; Allison Kew, AuteurCapsule We analysed ring recovery data of Siskins from the EURING database (N = 42,707 individuals) and found 18 groups of birds that moved together a median distance of 200 km (range 51–1296 km). The median time elapsed between capture and reco[...]
Article
Jordi Pascual, Auteur ; Juan Carlos Senar, AuteurThe body mass of birds is the result of a trade-off between predation and starvation risks. According to the mass-dependent predation hypothesis, birds reduce their body mass when predation risk increases. Many studies have supported this hypoth[...]
Article
Sepand Riyahi, Auteur ; Mats Björklund, Auteur ; Andres Ödeen, Auteur ; Juan Carlos Senar, AuteurCapsule The Great Tit Parus major displays a black melanin breast patch stripe (black tie or black belly stripe) which shows great variation and its size correlates with male breeding success, survival and dominance. We investigated for associat[...]
Article
Juan Carlos Senar, Auteur ; Michael J. Conroy, Auteur ; Luis M. Carrascal, Auteur ; Jordi Domenech, Auteur ; Ingrid Mozetich, Auteur ; Francesc Uribe, AuteurHeterogeneous capture probabilities are a common problem in many capture-recapture studies. Several methods of detecting the presence of such heterogeneity are currently available, and stratification of data has been suggested as the standard me[...]
Article
Javier Quesada, Auteur ; Juan Carlos Senar, AuteurBirds frequently display a colourful plumage which is important both in inter and intraespecific communication, and either in sexual and social contexts. In last years some methodologies have been developed to, analyse plumage coloration, but th[...]
Article
Juan Carlos Senar, Auteur ; Michael J. Conroy, Auteur ; Antoni Borras, Auteur ; Toni Cabrera, Auteur ; Josep Cabrera, Auteur
