News From the Field
They Call It 'Guppy Love': UCLA Biologists Solve an Evolution Mystery
November 23, 2011
Guppies in the wild have evolved over at least half-a-million years--long enough for the males' coloration to change dramatically. Yet an orange patch on the male has remained remarkably stable. Why has it remained the same hue of orange over such a long period of time? Because that is the color female guppies prefer.
University of California, Los Angeles
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