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Science 26 April 2002:
Vol. 296. no. 5568, pp. 633 - 635
DOI: 10.1126/science.296.5568.633
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News of the Week

EVOLUTIONARY BIOLOGY:
Darwin's Avian Muses Continue to Evolve

Carl Zimmer

On page 707 of this issue, two biologists review 30 years of evolution among Darwin's finches in the Galápagos. They report that climate change has been a powerful influence guiding the evolution of the finches--and its effects turn out to be surprisingly complex. In addition, the two species on the volcanic island of Daphne Major can and sometimes do interbreed, and their hybrids--far from being mulelike reproductive dead ends--are a source of fresh genetic variability.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)