Why can parrots talk like humans? Can they imitate any language they hear? - Quora
The Scorpion and the Frog: Who Said What? (A Guest Post)
physiology - Do birds have pharynx like mammals? - Biology Stack Exchange
No Feather Left Behind: How Do Birds Talk Without Vocal Chords?
Roaming Passerines - Bird Calls & Bird Songs - Wysinfo Docuwebs
biology - Feasability of having a voice modulator bioengineered into vocal chords? - Worldbuilding Stack Exchange
The bird voice box is one of a kind in the animal kingdom | Science | AAAS
Syrinx Bird Anatomy: Most Up-to-Date Encyclopedia, News & Reviews
The syrinx - ScienceDirect
The vocal organ of hummingbirds shows convergence with songbirds | Scientific Reports
Syrinx (bird anatomy) - Wikipedia
The biology of birds. Birds. 126 THE BIOLOGY OF BIRDS membranes function as vocal cords. Their tension is regulated by muscles attached to the wall of the syrinx. A detailed account
First birds made honking sounds more than 66 million years ago | New Scientist
Realistic three-dimensional avian vocal tract model demonstrates how shape affects sound filtering (Passer domesticus) | Journal of The Royal Society Interface
How Do Parrots Talk?
In situ vocal fold properties and pitch prediction by dynamic actuation of the songbird syrinx | Scientific Reports
Birds Singing : Twootz.com
Bird anatomy - Wikipedia
Syrinx (bird anatomy) - Wikipedia
Anatomy of the vocal organ in non-mammalian vertebrates. (A) Schemes... | Download Scientific Diagram
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/40/36/4036d112-76e8-45f8-bcaf-83a121f49fe6/finches1.jpg "Zebra Finches Dream a Little Dream of Melody | Science| Smithsonian Magazine")
Zebra Finches Dream a Little Dream of Melody | Science| Smithsonian Magazine
Vocal tract anatomy of king penguins: morphological traits of two-voiced sound production | Frontiers in Zoology | Full Text
Bird communication
The evolution of stem-bird vocalization – Those with Pycnofibres
How Birds Make Sounds - The Infinite Spider
Bird Vocalizations : Montana Science Partnership
