Guinea pigs are popular pets for good reason - they’re social, expressive, and surprisingly vocal. If you've ever stopped to wonder what all those squeals, purrs, and clicks mean, you're not alone.

Add Yahoo as a preferred source to see more of our stories on Google. Some sounds are negative and others positive, the experts say (Getty Images) Pigs are noisy creatures, from their contented oinks ...

Guinea pigs are small animals with big opinions, and squeaks are the fastest way they share them. These sounds typically begin early, often within two weeks of birth, and continue throughout the day.

Wheeking, purring, chutting, chirping and chattering. For small animals, guinea pigs can make big noises and, according to experts, they're communicating with each other - and with us. Sue Tate has ...