PerspectiveDevelopment

The Bills of Qucks and Duails

Science  24 Jan 2003:
Vol. 299, Issue 5606, pp. 523-524
DOI: 10.1126/science.1081521

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Summary

The remarkable evolutionary success of vertebrates has been attributed to their craniofacial diversity, which is exemplified by the wide variety of beak morphologies among bird species. In his Perspective, Trainor discusses new insights into the molecular and cellular mechanisms of beak diversity revealed by elegant experiments involving neural crest cell transplants between quail and duck embryos (Schneider and Helms).

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