A purring cat is one of the most pleasing sounds in the animal kingdom. Typically, it means your kitty is happy, relaxed, and calm (although they can also do it when they’re stressed). One thing you ...

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 ...