The squealing of a guinea pig has multiple meanings:

1. When a guinea pig screams and makes a rapid sound, it means that it is in pain or in danger.

2. When guinea pigs make a whistle-like sound or a grunting sound, it means they are in a good mood.

3. If the guinea pig makes teeth fighting or grinding sounds, it means that the guinea pig is angry.

4. If the guinea pig coos, it may be because it is bored and needs to be comforted in time. Take the guinea pig out to play with and gently rub its back with your hands. To feed the guinea pig properly, you can hold it in the palm of your hand and talk softly.

5. The sound of guinea pigs clucking, clucking, clucking is because they find interesting things and become happy. You need to buy some small toys for your guinea pigs from time to time.