How to identify Labrador puppies? Labrador puppies generally have a small protrusion on the top of their head, a short and thick mouth, and droopy ears. It is best to gently pull the tip of the ear until it can touch the corner of the eye on the other side; pull it There are only three colors of coat: black, yellow (dark yellow, light yellow), and chocolate. All other colors are disqualifying or impure; the tail should reach the hocks of the hind legs for best.​