Bilateral Syringeal Interaction in Vocal Production of an Oscine Bird Sound
- 14 March 1986
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 231 (4743) , 1297-1299
- https://doi.org/10.1126/science.3945824
Abstract
The vocal organ, or syrinx, of oscine birds has two parts, each of which has generally been presumed to operate independently of the other. A significant counter-example is now demonstrated in the production of a common vocalization by the black-capped chickadee (Parus atricapillus), in which the two acoustic sources interact in a nonlinear fashion. This bird produces a sound with multiple frequency components that are heterodyne products resulting from cross-modulation between two signals, thus providing evidence that avian phonation can involve cooperative coupling between the two syringeal sources.This publication has 5 references indexed in Scilit:
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- Neural lateralization of vocal control in a passerine bird. II. Subsong, calls, and a theory of vocal learningJournal of Experimental Zoology, 1972
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