Vocal tract anatomy of king penguins: morphological traits of two-voiced sound production
Abstract Background The astonishing variety of sounds that birds can produce has been the subject of many studies aiming to identify the underlying anatomical and physical mechanisms of sound production. An interesting feature of some bird vocalisations is the simultaneous production of two differen...
Main Authors: | , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2020-01-01
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Series: | Frontiers in Zoology |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12983-020-0351-8 |