Hearing in Penguins

Description: The project studied the hearing ability of Humboldt penguins. The hearing ability of the penguins was determined psychoacoustically and by auditory evoked potentials (AEP). The results show that penguins hear best between 1 and 4 kHz in air. In addition, an animal audiogram database was created to facilitate comparison between the published audiograms of different aquatic animals. Penguins responded with a surprisingly low response threshold to sound stimuli in underwater playback experiments. This project has laid the foundation for future studies on the hearing capacity of diving birds, contributing to a greater understanding of how marine birds are affected by underwater noise. Veröffentlicht in Texte | 101/2024.

Types:

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Origin: /Bund/UBA/Webseite

Tags: Pinguin ? Seevogel ? Tauchsport ? Wassertier ? Unterwasserlärm ? Studie ? Hörvermögen ? Datenbank ? Schwellenwert ?

License: other-closed

Language: Englisch/English

Organisations

• Umweltbundesamt (Herausgeber*in)

Persons

• Alvaro Ortiz Troncoso (Verfasser*in)
• Anne May (Verfasser*in)
• Cora Albrecht (Verfasser*in)
• Denise Jäckel (Verfasser*in)
• Dorit Liebers-Helbig (Verfasser*in)
• Guido Dehnhardt (Verfasser*in)
• Helen Rößler (Verfasser*in)
• Jana Hoffmann (Verfasser*in)
• Jenny Ann Byl (Verfasser*in)
• Kenneth Sørensen (Verfasser*in)
• Lars Miersch (Verfasser*in)
• Magnus Wahlberg (Verfasser*in)
• Michael Dähne (Verfasser*in)
• Michaël Beaulieu (Verfasser*in)
• Sylke Frahnert (Verfasser*in)
• Tabea Lange (Verfasser*in)
• Ulrike Buschewski (Verfasser*in)

Issued: 2024-07-01

Time ranges: 2024-07-01 - 2024-07-01

Resources

• Exploring the interplay between nest vocalizations and foraging behaviour in breeding birds

  https://doi.org/10.1016/j.anbehav.2021.08.015 (Webseite)

• Long and winding road: Training progress and trainability variation across a psychoacoustic experiment in penguins

  https://doi.org/10.1016/j.applanim.2022.105764 (Webseite)

• Neighbors matter: Vocal variation in Gentoo Penguins depends on the species composition of their colony

  https://doi.org/10.1093/ornithology/ukac031 (Webseite)

• Gentoo penguins (Pygoscelis papua) react to underwater sounds

  https://doi.org/10.1098/rsos.191988 (Webseite)

• The Animal Audiogram Database: A community-based resource for consolidated audiogram data and metadata

  https://doi.org/10.1121/10.0009402 (Webseite)

• 3D-Visualization of the Ear Morphology of Penguins (Spheniscidae): Implications for Hearing Abilities in Air and Underwater

  https://doi.org/10.1121/2.0001291 (Webseite)

• Pavlovian conditioning of gentoo penguins (Pygoscelis papua) to underwater sound

  https://doi.org/10.1242/bio.059425 (Webseite)

• Animal Audiogram Database

  https://www.animalaudiograms.org/ (Webseite)

• UBA topic page “Underwater noise”

  https://www.umweltbundesamt.de/en/underwater-noise (Webseite)
• https://www.umweltbundesamt.de/sites/default/files/medien/11850/publikationen/101_2024_texte_hearing_in_penguin_eng.pdf (PDF)

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Aktiv

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