Détail de l'auteur
Documents disponibles écrits par cet auteur (8)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Nicholas J. Bayly, Auteur ; Kenneth V. Rosenberg, Auteur ; Camila Gómez, Auteur ; Keith A. Hobson, AuteurThe effect of habitat choice on fuelling behaviour and the organization of migration in birds has rarely been examined, despite the potential impact of widespread anthropogenic transformation of stopover regions. High energetic requirements in m[...]
Article
Nicholas J. Bayly, Auteur ; Kenneth V. Rosenberg, Auteur ; Wendy E. Easton, Auteur ; Camila Gómez, Auteur ; Jay Carlisle, Auteur ; David N. Ewert, Auteur ; Anna Drake, Auteur ; Laurie Goodrich, AuteurNearly 300 species of landbirds, whose populations total billions, migrate between the Neotropics and North America. Many migratory populations are in steep decline, and migration is often identified as the greatest source of annual mortality. I[...]
Article
Camila Gómez, Auteur ; Valentina Gómez-Bahamón, Auteur ; Laura Cárdenas-Ortíz, Auteur ; Nicholas J. Bayly, AuteurABSTRACT The Sierra Nevada de Santa Marta in northern Colombia has been identified as a critical spring stopover site for at least one Neotropical migratory bird species prior to crossing the Caribbean sea on migration. The strategic location of[...]
Article
Esteban Botero-Delgadillo, Auteur ; Nicholas Bayly, Auteur ; Camila Gómez, Auteur ; Paulo C. Pulgarin-R, Auteur ; Carlos Andres Paez, AuteurThe Santa Marta Foliage-gleaner Automolus rufipectus is one of 19 endemic bird species found in the Sierra Nevada de Santa Marta (SNSM) in northern Colombia but until recently it was considered a sub-species of the Ruddy Foliage-gleaner Automolu[...]
Article
Nicholas J. Bayly, Auteur ; Camila Gómez, AuteurMigration represents one of the most vulnerable stages of a migrant's life cycle, but the strategies and stopover sites used by Neotropical migrants in Central America are not well known. We carried out constant-effort mist netting and conducted[...]
Article
Camila Gómez, Auteur ; Valentina Gómez-Bahamón, Auteur ; Laura Cárdenas-Ortíz, Auteur ; Nicholas J. Bayly, Auteur
Article
Nicholas J. Bayly, Auteur ; Camila Gómez, Auteur ; Keith A. Hobson, AuteurStopover sites used to accumulate the energy that fuels migration, especially those used prior to crossing ecological barriers, are regarded as critically important for the survival of NearcticNeotropical migratory birds. To assess whether South[...]
Article
Camila Gómez, Auteur ; Nicholas J. Bayly, Auteur ; Kenneth V. Rosenberg, AuteurMigratory routes and stopover sites used by migrant landbirds may vary among seasons and years. Understanding the degree of such variation is an important aspect of migrant ecology, especially in South America, where routes and sites are not wel[...]
