Leia is just sitting on the couch in her home in Providence, looking completely blank while her throat makes noises like a farm animal. You could also call it snore-like, but it is hilarious because ...

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 ...

In recent years, Alex, the African gray parrot, developed a vocabulary of 150 words. PEPPERBERG: That's a good boy. Truck - good boy. ALEX: Want nut. PEPPERBERG: Well, you can have a nut. Go choose ...

European researchers are developing a tool to help identify animal emotions through a vocal recognition system. It aims to help people who work with pigs identify whether the animals are in distress.