Testing hormonal responses to real and simulated social challenges in a competitive female bird

Elizabeth George, Sarah Wolf, Alexandra Bentz & Kimberly Rosvall
Competitive interactions often occur in series; therefore animals may respond to social challenges in ways that prepare them for success in future conflict. Changes in the production of the steroid hormone testosterone (T) are thought to mediate phenotypic responses to competition, but research over the past few decades has yielded mixed results, leading to several potential explanations as to why T does not always elevate following a social challenge. Here, we measured T levels in...
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