Research NewsEvolutionary Biology

Life on the Edge: Rainforest Margins May Spawn Species

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Science  20 Jun 1997:
Vol. 276, Issue 5320, pp. 1791-1792
DOI: 10.1126/science.276.5320.1791

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Tropical rainforests have become the icon of biodiversity, but a study on page 1855 suggests that the often-overlooked transition zone between rainforest and savannah may be the place where new species arise. The study of small birds in Cameroon also provides rare field data to support a controversial theory of speciation, showing that migration between populations may not be a barrier to the birth of new species.