Why do dogs bark?
Dogs bark to communicate with other dogs and with humans. Dogs are descendants of wolves, which are social animals that live in packs, and they share many of the behaviors that define the complex relationships that exist within such animal groups.
What kinds of household pets are common around the world?
Not all people own dogs and cats. While many Europeans, including the British, French, and Italians, own dogs and cats, other people have different relationships to them.
Why does my cat purr?
Animal specialists believe that cats purr to show contentment. Cats are born with the ability to purr; kittens make tiny rumbling sounds when they are nursing. Scientists think that purring starts out as a form of communication between a mother cat and her kittens.
