Deformed beaks…a mystery


Birds’ beaks are made of keratin, similar to human fingernails and hair. Normally, beaks wear down with use, continuing to grow at the same time. There’s a balance. But something is causing this super-fast growth — and it doesn’t get turned off. There seems to be a concentration in the Pacific Northwest and Alaska but the cause is unknown still.

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Read more about this mystery at the Alaska Science Center or the Falcon Research Group or the University of Michigan Dearborn.