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 ...

First things first: the guinea pig is not a pig and it’s not from Guinea. Now that we’ve cleared that up, let’s talk about what these charming rodents, also called cavies, actually are. Their ...