If you are a cat parent, you are very familiar with the sound of your kitty purring when you play with them. And while that sound may be very familiar to many, there’s a good chance that you haven’t ...

Is it a coffee machine gurgling its last drops? Is it a muffled phone vibrating on a couch? Is it a small helicopter trying to take off very politely? No, it’s Sylvester the cat, purring away after ...

There's plenty of things to love about cats, and purring is definitely one of them. Cat owners can always tell when their pet is happy from their low, contented hums. But do any other animals purr?