Web Results

en.wikipedia.org/wiki/Purr

A purr is a tonal fluttering sound made by some species of felids, and two species of genets. ... muscles of the larynx to alternately dilate and constrict the glottis rapidly, causing air vibrations during inhalation and exhalation. ... (2002) argued that the ability of a cat species to purr is not affected by the anatomy of its hyoid.

pets.webmd.com/cats/why-do-cats-purr

Your cat's purring can signal happiness, anxiety, or another emotion. ... The low frequency of purrs causes a series of related vibrations within their body that can  ...

www.catbehaviorassociates.com/why-cats-purr

Sep 26, 2014 ... The purr of a cat. It's the most mesmerizing sound. It's the sound that makes you smile and think all is right in his world. That gentle sound ...

www.mnn.com/family/pets/stories/why-do-cats-purr

Jul 16, 2015 ... A cat's purr begins in its brain. A repetitive neural oscillator sends messages to the laryngeal muscles, causing them to twitch at a rate of 25 to ...

www.catster.com/lifestyle/why-do-cats-purr-cat-behavior-health-evolution

Jul 24, 2017 ... ... the case. Discover some of the incredible reasons why cats purr. ... There are a few theories about the anatomy of cat purrs. The one that ...

www.drsfostersmith.com/pic/article.cfm?articleid=892

Contentment, comfort, security... for many pet owners, the humming purr of a squinting cat is the unmistakable signal that their feline is happy and healthy.

www.wired.com/2015/05/why-do-cats-purr

May 8, 2015 ... Such reasons to purr are by no means exclusive. “All behavior depends on history, context and expectation,” says Tony Buffington, a cat expert ...

www.hudsonvet.com/blog/what-do-the-voice-changes-in-your-cat-mean

When your cat purrs, these cords vibrate at a fast rate and without closing the trachea completely. Common reasons why your cat experiences voice changes.

www.loc.gov/rr/scitech/mysteries/catspurr.html

No one knows for sure why a domestic cat purrs, but many people interpret the sound as ... What makes the purr distinctive from other cat vocalizations is that it is ...