We'll use vocal and physical relaxation exercises, beginning acting techniques, individual vocal production feedback using personal writing pieces chosen by the attendees. (rmfw.org)
In contrast to most other bird groups, parrots have a prominent tongue, raising the possibility that tongue movements may also be of significant importance in vocal production in parrots, but evidence is rare and observations often anecdotal. (jeb.biologists.org)
Our results suggest considerable differences between parrot and songbird vocal production while at the same time the parrot's vocal articulation might more closely resemble human speech production in the sense that both make extensive use of the tongue as a vocal articulator. (jeb.biologists.org)