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Article
Harold F. Greeney, Auteur ; Robert C. Dobbs, Auteur ; Paul R. Martin, Auteur ; Rudolphe A. Gelis, AuteurGrallaria and Grallaricula antpittas are poorly known ground antbirds (Formicariidae), which reach their center of diversity in the tropical Andes region. Here we review published literature on the reproductive ecology of these two genera, summa[...]
Article
Luke L. Powell, Auteur ; Robert C. Dobbs, Auteur ; Peter P. Marra, AuteurInsectivorous birds may adjust their foraging strategies to exploit changes in resource distributions. Arthropod prey strongly influence habitat-specific persistence of long-distance migrant passerines in their wintering areas, and arthropods ar[...]
Article
Robert C. Dobbs, Auteur ; T. Scott Sillett, Auteur ; Nicholas L. Rodenhouse, Auteur ; Richard T. Holmes, AuteurForaging behavior often reflects food availability, a resource that may increasingly limit breeding birds as intraspecific crowding increases. Measuring foraging behavior, therefore, provides a way to investigate effects of population density on[...]
