To quote Wikipedia, 'Even though puppies do not have genuine eyebrows, they are doing have a distinctive ridge higher than their eyes, and several breeds, like the Labrador Retriever, Gordon Setter, Rottweiler, Bernese Mountain Puppy, German Shepherd, and Doberman have markings there. http://titussdecz.csublogs.com/16774095/dog-with-eyebrows-fundamentals-explained