News of the WeekEvolutionary Biology

Cool Cats Lose Out in the Mane Event

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Science  23 Aug 2002:
Vol. 297, Issue 5585, pp. 1255-1256
DOI: 10.1126/science.297.5585.1255a

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On page 1339, researchers provide evidence for the often-cited assumption that the lion's mane is a signal advertising the animal's condition, which females use to choose mates and males use to assess rivals. In an apparent evolutionary tradeoff, however, manes also impose a cost on males by increasing their heat load.