SCIENCE
Nargi, Lela

Karl's New Beak: 3-D Printing Builds a Bird a Better Life

(2) K-3 Encounter series. Illustrated by Harriet Popham. Karl, an Abyssinian ground hornbill, arrived at the Smithsonian's National Zoo with a damaged lower bill, which limited his ability to eat a balanced diet and participate in normal activities. Nargi's lighthearted and informative account shows how zoo staff engineered Karl a 3-D printed beak, each step in the process demonstrating how engineering and science can solve problems in animal conservation. Creative illustrations combine blueprint-like schematics with photos; a downloadable companion app is available. Glos.

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