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When does a bill become a beak on a bird?
Question
#116940. Asked by star_gazer. (Aug 22 10 7:50 PM)
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serpa
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The beak, bill or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, probing for food, courtship and feeding young. The term beak is also used to refer to a similar mouthpart in some Ornithischian dinosaurs, monotremes, cephalopods, cetaceans, pufferfishes, turtles, Anuran tadpoles and sirens.
http://en.wikipedia.org/wiki/Beak
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star_gazer

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A bill is used for catching things. Wading birds catch fish with their bills, cardinals "catch" seeds and berries with their bills, and flycatchers catch insects with their bills.
A beak is used for tearing things apart. Hawks and owls catch with their talons and tear the prey apart with their beaks, and vultures tear apart carrion with their beaks.
http://www.collieraudubon.info/questions/bill_beak.html
So, a bill does not become a beak. They are two very similar but distinct things.
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