We had no idea!!!
Cesar Millan dropped some knowledge on the world when he explained that when a dog barks it can mean a whole assortment of things!!!
The volume, tone, frequency, and duration of a dog's bark can hint at what your loved puppy is trying to tell you!
We thought they only barked when they wanted something to eat or to tell us when they pooped on the rug, but there's so much more to what they're trying to say!
Learn more yourself by checking out the video (above) !