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→Species Differences
*The shape of the pinna varies between breeds and species.
*The shape of the pinna varies between breeds and species.
*'''Fish''': to detect high frequency sound, some fish use the swim bladder as an acoustic detecror. It is connected to the '''lagena''' (the stumpy piscine cochlea) by three ''Weberian'' bones. These are derived from vertebrae.
*'''Fish''': to detect high frequency sound, some fish use the swim bladder as an acoustic detecror. It is connected to the '''lagena''' (the stumpy piscine cochlea) by three ''Weberian'' bones. These are derived from vertebrae.
==Equine Guttural Pouch==
[[Image:Equine Guttural Pouch.jpg|thumb|right|150px|Equine Guttural Pouch - Copyright David Bainbridge]]
*The [[Guttural Pouches - Anatomy & Physiology|guttural pouch]] is an anatomical structure that is only found in the horse (and other perissodactyla).
==Content Requiring integration from 'The Ear' page==
==Content Requiring integration from 'The Ear' page==