For animals, prevailing in a fight affects their likelihood of winning future conflicts. The opposite is true of losing a fight. The sex hormone testosterone is often believed to mediate this “winner effect”. Researchers have examined whether the presence of an audience influences the behavior and the testosterone changes of Japanese quails (Coturnix japonica) after a fight. The evidence shows that both winners and losers exhibit raised testosterone levels after a conflict without an audience. Continue reading
April 5, 2013
by MoreRecycling
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