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Keywords: vocal mechanicsClose
Journal: Journal of Experimental Biology
J Exp Biol (2004) 207 (4): 607–619.
Published: 1 February 2004
...Jeffrey Podos; Joel A. Southall; Marcos R. Rossi-Santos SUMMARY Recent studies of vocal mechanics in songbirds have identified a functional role for the beak in sound production. The vocal tract (trachea and beak)filters harmonic overtones from sounds produced by the syrinx, and birds can fine-tune...
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