What does it mean when guinea pigs squeak?

Squeal: Some guinea pigs will squeal when they are experiencing potential pain or they need attention. It can sometimes be that another guinea pig is stealing his favorite spot to eat. Pay attention to your guinea pig if you hear a squeal because it could indicate that they need help from something hurting them.

How do I know if my guinea pig is happy?

It’s generally a sound of annoyance or anxiety. Context is very important with this sound. Sometimes chattering is innocuoussome guinea pigs chatter if they are anxiously awaiting food and growing impatient with their human, who may be giving them attention instead of giving them a meal.