"Cats try to avoid physical confrontations so they use vocal warnings, with body posturing," an expert told Newsweek.

Set to the sound of the Blue Danube Waltz, both the dog and cat roll onto their backs and stretch their limbs out.

5 Weird Sounds Only Your Dog Can Hear originally appeared on Parade Pets. Once upon a time, long before dogs were fed kibble from bags served in shiny metal bowls, they were busy surviving in a world ...