“Wheeking” is another name for the squealing or squeaking sounds of your guinea pig. She may seem like a quiet animal, but you’re likely to hear her squeal quite often. She might use it to get attention or to beg for her favorite food. A high-pitched squeal, however, could be a sign of fear or pain.
Similar to cats, guinea pigs purr when they’re relaxed and content. Pay attention to the tone however. A deep purr is a sign of contentment. A high-pitched one can signify annoyance or fear.