Guinea pigs are small animals with big opinions, and squeaks are the fastest way they share them. These sounds typically ...

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.

Pigs are noisy creatures, from their contented oinks to their terrified squeals. But could those sounds contain clues to their emotions and welfare? An international team of researchers say so. For a ...