Chapter

Hearing in Aquatic Mammals

Sirpa Nummela

in Sensory Evolution on the Threshold

Published by University of California Press

Published in print April 2008 | ISBN: 9780520252783
Published online March 2012 | e-ISBN: 9780520934122 | DOI: http://dx.doi.org/10.1525/california/9780520252783.003.0013
Hearing in Aquatic Mammals

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This chapter discusses the structure and function of the auditory system in aquatic mammals. It also examines the evolutionary changes of the ear and presents a comparative analysis of hearing in several species of mammals. It begins with a description of the basic features of the auditory system of land mammals, and moves on to the mechanisms of airborne sound transmission and bone conduction. It then describes Fleischer's classification of ears found in land mammals. Finally, it discusses mammalian aquatic ear types and the mechanisms of underwater hearing.

Keywords: auditory system; aquatic mammals; hearing; land mammals; airborne sound transmission; bone conduction; ear types; underwater hearing

Chapter.  7715 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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