News of the WeekEvolution

Competition Drives Big Beaks Out of Business

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Science  14 Jul 2006:
Vol. 313, Issue 5784, pp. 156
DOI: 10.1126/science.313.5784.156

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When intruders started eating up all the large seeds on one of the Galápagos Islands, the resident finch population retooled, researchers report on page 224 of this issue of Science: In about a year, their beaks shrank, becoming better equipped to eat smaller seeds. (Read more.)