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Contact: Caroline Perry
cperry@seas.harvard.edu
617-496-1351
Harvard University
Caption: Greater Antillean bullfinches (Loxigilla violacea) use their deep and wide beaks to crush seeds and hard fruits. Harvard researchers have found that the molecular signals that produce a range of beak shapes in birds show even more variation than is apparent on the surface.
Credit: Photo by José M. Pantaleón
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Related news release: In birds' development, researchers find diversity by the peck
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