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Article
Yanina Poblete, Auteur ; Victor Gutierrez, Auteur ; Paulina L. Gonzalez-Gomez, Auteur ; John C. Wingfield, Auteur ; Rodrigo A. Vásquez, AuteurTo facilitate breeding and any energetically costly activity, individuals of the same species can substantially vary their circulating corticosterone (CORT) levels to cope with local environmental conditions at different elevations. We compared [...]
Article
Paulina L. Gonzalez-Gomez, Auteur ; William S. Blakeslee, Auteur ; Pablo Razeto-Barry, Auteur ; Rachel M. Borthwell, Auteur ; Sara M. Hiebert, Auteur ; John C. Wingfield, AuteurHummingbirds present a unique combination between extremely high life costs and a number of efficient adaptations to fuel these demands. In addition to cognitive abilities, territorial hummingbirds display aggressive behaviors that allow for acc[...]
Article
Paulina L. Gonzalez-Gomez, Auteur ; Cristián F. Estades, AuteurIn many hummingbird species there is an opposite pattern of sexual dimorphism in bill length and other morphometric measures of body size. These differences seem to be closely related with differences in foraging ecology directly associated with[...]
