- Health Library
- PetMD U
Fear is the instinctual feeling of apprehension resulting from a situation, person, or object presenting an external threat -- whether real or perceived. Learn more about Dog Fear and...
While some consider aggression to be normal behavior in dogs, it can be impulsive, unpredictable, and even dangerous. Aggressive behavior includes growling, lip lifting, barking, snapping,...
Inter-dog aggression occurs when a dog is overly aggressive towards dogs in the same household or unfamiliar dogs. This behavior is often considered normal, but some dogs can become...