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Article
Ioana Chiver, Auteur ; César A. Jaramillo, Auteur ; Eugene S. Morton, AuteurBirds often mob potential predators, which alerts other prey individuals of the danger and drives the predator away. Participation in, or increased intensity of mobbing is often associated with breeding activity suggesting an important function [...]
Article
Ioana Chiver, Auteur ; Bridget J. M. Stutchbury, Auteur ; Eugene S. Morton, AuteurRecent studies of tropical birds with year-round territoriality indicate that song rate is relatively low year-round in association with lower seasonality and relatively stable social environment over the year. We examined seasonal variation in [...]
Article
Ioana Chiver, Auteur ; Bridget J. M. Stutchbury, Auteur ; Eugene S. Morton, AuteurTestosterone is important in mediating investment in competing activities such as territoriality, parental care, and maintenance behavior. Most studies of testosterone function have focused on temperate species and less is known about the role o[...]
Article
Eugene Sillar Morton, Auteur ; Joan Howlett, Auteur ; Nicole Christine Kopysh, Auteur ; Ioana Chiver, AuteurMechanisms used by birds to rang their distance from singing conspecifics are being debated. In particular, the idea that an incoming song must be in a bird's repertoire for it to be ranged accurately is controversial, but important to our appre[...]
