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

• 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: Article in Journal/Newspaper
• Language: English
• Published: BioMed Central 2020
• Subjects: Institute of Neuroinformatics; 570 Life sciences; biology; Animal Science and Zoology; Ecology; Evolution; Behavior and Systematics; Possession Island; King Penguins
• Online Access: https://www.zora.uzh.ch/id/eprint/200381/; https://www.zora.uzh.ch/id/eprint/200381/1/s12983-020-0351-8.pdf; https://doi.org/10.5167/uzh-200381; 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 frequen...