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Purr - Wikipedia

en.wikipedia.org/wiki/Purr

A purr is a tonal fluttering sound made by some species of felids, and two species of genets. ... respiratory variation[edit]. Domestic cats purr at a frequency of 20 to 30 vibrations per second. .....

Why Do Cats Purr? It's Not Just Because They're Happy | WIRED

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

May 8, 2015 ... Why is your cat purring? He might be happy to see you, or hungry, or hurt...or he might just be trying to regenerate his bones.

Why Do Cats Purr? - Pets - WebMD

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

Feb 18, 2015 ... Purring is the most common sound cats make. Yet we know less about it than meowing, chirping, chattering, hissing, and growling. Yes, cats ...

Why do cats purr? - Purina

www.purina.com.au/cats/behaviour/purring

There is nothing better than a cat curled up on your lap, satisfied and happy, but have you ever wondered just how cats purr and why they do it? Humans smile ...

www.ask.com/youtube?q=Why Do Cats Purr?&v=7KowU4tPi7Q
Apr 4, 2013 ... The smaller members of the felid family can purr, but why? Hank takes on this most adorable of life's mysteries in todays episode of SciShow.

Why Cats Purr | Cat Behavior Associates

www.catbehaviorassociates.com/why-cats-purr/

Sep 26, 2014 ... That gentle sound relaxes and even mystifies you, but just how much do you really know about why and how your cat purrs? Some facts may ...

Why do cats purr? - Scientific American

www.scientificamerican.com/article/why-do-cats-purr/

Leslie A. Lyons, an assistant professor at the School of Veterinary Medicine at the University of California, Davis, explains. Over the course of evolution, purring ...

Why and how do cats purr?(Everyday Mysteries: Fun Science Facts ...

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

Although some big cats like lions exhibit a purr-like sound, studies show that the ... Cat Guide provides information on many cat questions such as “Why do cats ...

Why Do Cats Purr? Some of the Reasons Might Surprise You - Catster

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

Mar 21, 2014 ... Cats are evolutionary masterpieces of design. They have evolved in such a way that many of their characteristics, including behaviors, are ...

Why Do Cats Purr? | Wonderopolis

wonderopolis.org/wonder/why-do-cats-purr

If cats purr, what sounds do YOU make when you're excited, content, comfortable, or simply happy to see someone? Think about how you express your different ...

Answer
Purring is most often associated with contentment or pleasure. Cats have also been found to purr under extreme stress.
If you have concerns about a cat that purrs excessively or not at all, make an appointment with your vet.
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Why do cats purr? | MNN - Mother Nature Network

www.mnn.com

Jul 16, 2015 ... Have you ever wondered why cats purr? It's easy to assume that cats purr because they're content, but research shows that purring is a means ...

Why do Cats Purr? 3 Reasons Kittens & Cats Purr

www.drsfostersmith.com

When a cat is purring, it is almost impossible to hear the cat's heart or lungs very well, ... Older cats purr when they play or approach other cats, signaling they are  ...

Why Do Cats Purr? The Answer Might Not Be What You Think - Bustle

www.bustle.com

Dec 3, 2015 ... Yet, beyond knowing it's amazing, you might not know exactly how or why cats purr — and it turns out there's a lot more to it than you might ...