Female 'Bearded-Lady' Fence Lizard with Blue Coloration (IMAGE)

Penn State

Female 'Bearded-Lady' Fence Lizard with Blue Coloration

Caption

This photo shows a female "bearded-lady" fence lizard with blue coloration. Bearded ladies are generally much more common than their counterparts with little or no blue ornamentation, but appear to incur greater fitness costs. Mating-behavior studies of lizards in three southern US states have revealed which females male lizards find to be the sexiest. The research provides insight into the evolution of male-female differences. More information is online at http://science.psu.edu/news-and-events/2013-news/Langkilde10-2013.

Credit

Langkilde lab, Penn State University

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