Purring: this can mean your Guinea pig is happy or angry, so you'll need to look at the context of the situation carefully. A contented Guinea pig will make a low purring sound, whereas an annoyed piggy may make a more high pitched purr, with this increasing in pitch towards the end. She may also vibrate a bit as well.

What does it mean when guinea pigs purr?

Purring is usually associated with being content or happy. You will most likely hear it when you are gently petting your pig. However, sometimes when they hear a startling noise or suddenly feel threatened, they will vocalize this same noise but in short spurts.

What does it mean when a guinea pig vibrates and purrs?

Good vibrations

When petting your guinea pig, you may notice it start to vibrate. Much like when cats purr, these vibrations show that they are at ease and are in a good mood. ... Ideally, this should be the only type of vibrating you see in your pet. Guinea pigs may also make high tweeting sounds to show joy.