Abnormal Puppy Behavior – What Are The Signs?

Abnormal puppy behavior can include behaviors such as displaying no interest in exploring a new environment, showing excessive fear, excessive barking, constant yawning, hiding when frightened and showing no signs of recovery, urinating indoors once housebroken, loss of appetite, and hysterical behavior when left alone. In addition, excessive fear can turn into aggression which can manifest into growling, snapping, lip curling, lunging or biting.