Vocal tract anatomy of king penguins: morphological traits of two-voiced sound production

• Published in: Frontiers in Zoology
• Main Authors: Kriesell, Hannah Joy, Le Bohec, Céline, Cerwenka, Alexander F., Hertel, Moritz, Robin, Jean-Patrice, Ruthensteiner, Bernhard, Gahr, Manfred, Aubin, Thierry, Düring, Daniel Normen
• Format: Text
• Language: English
• Published: BioMed Central 2020
• Subjects: Research; Possession Island; King Penguins
• Online Access: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6993382/; http://www.ncbi.nlm.nih.gov/pubmed/32021638; https://doi.org/10.1186/s12983-020-0351-8

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 different freque...