In adult guinea pigs, males and females coo as a way of showing affection for each other. Rumbling is similar to purring but sounds much deeper. The rumble is used by male guinea pigs to get the ...

Like rabbits, guinea pigs will make a purring sound when they are happy and content. This will be a low, constant sound that’s a mix between a cat’s purr and a dog’s grumble. The same ...