Three Group Shapes of Finch Beaks (IMAGE)

Harvard University

Three Group Shapes of Finch Beaks

Caption

Using digitization techniques, the researchers found that 14 distinct beak shapes, that at first glance look unrelated, could be categorized into three broader, group shapes. Despite the striking variety of sizes and shapes, mathematically, the beaks within a particular group only differ by their scales.

Credit

Otger Campàs and Michael Brenner, Harvard School of Engineering and Applied Sciences.

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