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Ingestive and vocal mechanisms in birds: A parallel?

Published online by Cambridge University Press:  01 August 1998

Jim Scanlan  and
Lesley Rogers
Jim Scanlan
Affiliation:
Division of Neuroscience and Animal Behaviour, School of Biological Sciences, University of New England, Armidale, NSW 2351, [email protected]
Lesley Rogers
Affiliation:
Division of Neuroscience and Animal Behaviour, School of Biological Sciences, University of New England, Armidale, NSW 2351, [email protected]
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Abstract

Parrots prepare for vocalization by a ventro-caudal retraction of the larynx. This laryngeal movement, which “frames” vocal sequences, is similar to a movement used by pigeons as a preparation for suction drinking. The air-pressure events involved in such movements can trigger either suction drinking or vocalization. This suggests a possible evolutionary link between these ingestive and vocal mechanisms.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 21 , Issue 4 , August 1998 , pp. 528 - 529
Copyright
© 1998 Cambridge University Press

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