Shadow, we believe, is a Black Labrador and German Shepherd mixture between 4-5yrs old. He is a medium to large dog about 45-50lbs and requires plenty of exercise. He loves walks, car rides, and he absolutely loves to play; he especially loves tennis balls! He is very loveable and loyal. I do not have cats or kids so I am unsure how he is with either but, I believe he would do fine with older k...