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What’s a Beak Made Of?
Manage episode 435873514 series 2973238
Bird beaks, or bills, come in many shapes and sizes. And birds use them for just about everything: to collect food, preen, fight, court (as this pair of Laysan Albatrosses is doing), chop holes in trees, weave nests, and more. In order for a bird to fly, its beak must weigh as little as possible. Beaks are covered with a sheath of a tough material called keratin, which grows continuously because a beak wears down with use.
More info and transcript at BirdNote.org.
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BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.
1096 епізодів
Manage episode 435873514 series 2973238
Bird beaks, or bills, come in many shapes and sizes. And birds use them for just about everything: to collect food, preen, fight, court (as this pair of Laysan Albatrosses is doing), chop holes in trees, weave nests, and more. In order for a bird to fly, its beak must weigh as little as possible. Beaks are covered with a sheath of a tough material called keratin, which grows continuously because a beak wears down with use.
More info and transcript at BirdNote.org.
Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks.
BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.
1096 епізодів
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