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Article
Evan R. Buechley, Auteur ; Marco Girardello, Auteur ; Andrea Santangeli, Auteur ; Alazar Daka Ruffo, Auteur ; Girma Ayalew, Auteur ; Yilma D. Abebe, Auteur ; David R. Barber, Auteur ; Ralph Buij, Auteur ; Keith Bildstein, Auteur ; Bruktawit Abdu Mahamued, Auteur ; Montague H. C. Neate-Clegg, Auteur ; Darcy Ogada, Auteur ; Peter P. Marra, Auteur ; T. Scott Sillett, Auteur ; Jean-Marc Thiollay, Auteur ; Martin Wikelski, Auteur ; Peter Yaworsky, Auteur ; Çagan H. Sekercioglu, AuteurVulture populations are in severe decline across Africa and prioritization of geographic areas for their conservation is urgently needed. To do so, we compiled three independent datasets on vulture occurrence from road-surveys, GPS-tracking, and[...]
Article
Helen R. Sofaer, Auteur ; T. Scott Sillett, Auteur ; Jongmin Yoon, Auteur ; Michael L. Power, Auteur ; Scott A. Morrison, Auteur ; Cameron K. Ghalambor, AuteurLife history theory emphasizes the importance of trade-offs in how time and energy are allocated to the competing demands of growth, fecundity, and survival. However, avian studies have historically emphasized the importance of resource acquisit[...]
Article
Helen R. Sofaer, Auteur ; Phillip L. Chapman, Auteur ; T. Scott Sillett, Auteur ; Cameron K. Ghalambor, AuteurOur understanding of avian growth rates can benefit from the use of two statistical approaches that explicitly model the sources of intraspecific variation. First, random effects can evaluate whether there are consistent differences between indi[...]
Article
W. Scott Schwenk, Auteur ; Allan M. Strong, Auteur ; T. Scott Sillett, AuteurConsiderable uncertainty surrounds the conditions under which birds can cause trophic cascades. In a three-year experiment, we studied the direct and indirect effects of insectivorous birds on arthropod abundance, herbivory, and growth of stripe[...]
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[...]
Article
Jongmin Yoon, Auteur ; Helen R. Sofaer, Auteur ; T. Scott Sillett, Auteur ; Scott A. Morrison, Auteur ; Cameron K. Ghalambor, AuteurComparative studies of populations occupying different environments can provide insights into the ecological conditions affecting differences in parental strategies, including the relative contributions of males and females. Male and female pare[...]
