1. It combined every excellence of which the vocal organ is capable. 2. No New World vulture possesses a syrinx, the vocal organ of birds. 3. These sounds are thought to be generated by unique vocal organs found in koalas. 4. The syrinx is the vocal organ of birds, analogous to the larynx in mammals. 5. This is due to the muscular anatomy of the main vocal organ , the syrinx. 6. Type I males are eight times larger in body mass, and have much larger vocal organs . 7. He was a collector, a taxidermist, and an expert on the vocal organs of birds. 8. In January 1914, the school hoisted two vocal organs whose sound he can never hear ." 9. Regularly, the question arises of how one should use one's voice to minimize tiring in the vocal organs . 10. The syrinx is the sound-producing vocal organ of birds, located at the base of a bird's trachea.
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