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 ...

Guinea pigs, with their small size and cute appearance, are popular pets. They are larger than gerbils or hamsters, but still small enough to fit into apartments or small houses. Guinea pigs don't ...