News of the WeekEvolution

New Migration Route Could Lead to New Species of Bird

Science  21 Oct 2005:
Vol. 310, Issue 5747, pp. 419
DOI: 10.1126/science.310.5747.419a

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Summary

On page 502, ecologists report that changes in the migration patterns of European blackcaps that breed in southern Germany and Austria are causing them to reproduce more than blackcaps that continue to use their traditional wintering grounds, which may improve the chances of the birds forming two species.