Skip Nav Destination
1-1 of 1
Keywords: syringeal muscleClose
Journal: Journal of Experimental Biology
J Exp Biol (2009) 212 (22): 3719–3727.
Published: 15 November 2009
... of pliable rings at the base of the trachea,as well as a prominent syringeal muscle that is much reduced or absent in females. Experiments with a live phonating bird will be necessary to determine how the syrinx functions to produce the whistle, and whether the DW might be the result of biphonation...
Includes: Multimedia, Supplementary data