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Experimental Confirmation That Avian Plumage Traits Function As Multiple Status Signals In Winter Contests, Alexis S. Chaine, Allison M. Roth, Daizaburo Shizuka, Bruce E. Lyon
Experimental Confirmation That Avian Plumage Traits Function As Multiple Status Signals In Winter Contests, Alexis S. Chaine, Allison M. Roth, Daizaburo Shizuka, Bruce E. Lyon
School of Biological Sciences: Faculty Publications
Status signals are thought to reduce costs of overt conflict over resources by advertising social status or an individual’s ability to win contests. While most studies have focused on single badges of status, recent empirical work has shown that multiple status signals may exist. To provide robust evidence for multiple badges of status, an experimental manipulation is required to decouple signals from one another and from other traits linked to fighting ability. Such experimental evidence is lacking for most studies of multiple status signals to date. We previously found that two plumage traits in golden-crowned sparrows, Zonotrichia atricapilla, were correlated …