Add Yahoo as a preferred source to see more of our stories on Google. Suzanne Marshall / Moment via Getty Images Cats communicate in a variety of ways, including purrs, meows, and hisses, in addition ...

I’m curious about the purring of cats. I’ve read that their purr can range from about 25 hertz up to 150 hertz. My calico and brown tabby are the same age, yet the calico has a low, deep purr while ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The sound most commonly associated with happiness in cats—the purr—may ...