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Journal: Journal of Experimental Biology
J Exp Biol (2011) 214 (12): 2036–2046.
Published: 15 June 2011
...Megan M. Dawson; Keith A. Metzger; David B. Baier; Elizabeth L. Brainerd SUMMARY Avian cranial kinesis, in which mobility of the quadrate, pterygoid and palatine bones contribute to upper bill elevation, is believed to occur in all extant birds. The most widely accepted model for upper bill...
Includes: Multimedia, Supplementary data