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A 40-year field study of Galápagos ground finches (Geospiza sp.) has provided unparalleled insights into how natural selection operates in the wild and how new species might form. (Illustration: Mark Belan/ArtSciStudios)
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A 40-year field study of Galápagos ground finches (Geospiza sp.) has provided unparalleled insights into how natural selection operates in the wild and how new species might form. (Illustration: Mark Belan/ArtSciStudios)