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February 11, 2012

The remarkable head stability of the Brown Owl

The YouTube caption: "Owls can exhibit remarkable head stability during angular movement of the body about any axis passing through the skull."

The Vestibular System of the Owl (1962)

Authors: Money, K.E.; Correia, M.J.

Abstract: Owls have a curious variability in the postrotatory head nystagmus following abrupt angular deceleration. Owls can exhibit a remarkable head stability during angular movement of the body about any axis passing through the skull. The vestibular apparatus in the owl is bigger than in man, and a prominent crista neglecta is present. The tectorial membrane, the cupula, and the otolithic membranes of the utricle, saccule and lagena are all 'attached' to surfaces in addition to the surfaces bearing hair cells; these attachments are very substantial in the utricular otolithic membrane and in the cupula.

[via lliiaa]

February 11, 2012 at 10:01 AM | Permalink


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Comments

I got carsick just looking at this.

Posted by: tamra | Feb 12, 2012 2:44:11 AM

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