Dog Behavior & Training Glossary

Dog behavior can be confusing, especially when the same behavior gets described ten different ways online. Search by term, category, or the signs you are seeing.

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Canine Communication

Freezing

A sudden pause or complete stop in movement that may signal uncertainty, conflict, fear, guarding, or preparation to act.

Closed MouthHard StareHeld Breath

Training Concepts

Generalization

Generalization is a dog’s ability to perform a learned behavior across different people, places, positions, surfaces, distractions, and situations.

Ignores Cues in New PlacesListens at Home but Not OutsideLoss of Focus

Canine Communication

Growling

A low vocal warning or communication signal that may indicate discomfort, fear, conflict, guarding, pain, or play.

Closed MouthIncreased Distance SeekingLow Vocalization

Canine Communication

Hackles

Hackles are the raised hairs along a dog’s shoulders, back, or tail caused by an involuntary nervous-system response called piloerection.

BarkingFixed StareIncreased Arousal

Canine Communication

Hiding

Moving behind furniture, people, walls, crates, or other cover to reduce exposure to something concerning.

Moving Under FurnitureRetreating to Another RoomStaying Behind Owner

Household Behaviors

House Soiling

Urination or defecation indoors when the location is inappropriate for the household.

Accidents Near DoorsIndoor DefecationIndoor Urination

Behavioral Issues

Jumping

Jumping is a common greeting or attention-seeking behavior that often continues because it produces interaction.

Door RushingIgnoring CuesJumping on People

Leash and Walking

Leash Pulling

Leash pulling is forward, sideways, or backward pressure that keeps the leash tight or moves the handler.

FixatingForging AheadIgnoring Direction Changes

Canine Communication

Lip Licking

Lip licking is a quick tongue movement that may appear with stress, anticipation, uncertainty, or social pressure.

AvoidanceHead TurningPanting

Leash and Movement

Lunging

A sudden forward movement toward a person, dog, object, sound, or other trigger.

BarkingFixationRapid Forward Movement

Training Concepts

Management

Management changes the environment so an unwanted behavior is less likely to occur while training and skill development are still underway.

BarkingDestructive BehaviorDoor Rushing

Social and Greeting Behaviors

Mounting

Placing the front legs over and thrusting against another dog, person, object, or bedding.

Escalation During ExcitementGripping with Front LegsPelvic Thrusting

Household Behaviors

Object Stealing

Taking and carrying household items, clothing, food, or objects that are not intended for the dog.

Grabbing SocksGuarding Stolen ObjectsRunning Away with Items

Behavioral Issues

Overarousal

Overarousal is a state in which excitement, stress, frustration, or stimulation rises beyond a dog’s ability to think clearly and regulate its behavior.

BarkingIgnoring CuesJumping

Leash and Movement

Pacing

Repeated walking along the same path or through the same area, often associated with anticipation, distress, discomfort, or inability to settle.

Difficulty Lying DownPantingRepeated Routes

Canine Communication

Panting

Rapid open-mouth breathing that may reflect heat, exercise, pain, stress, excitement, or illness.

Open MouthRapid BreathingRestlessness

Canine Communication

Paw Lift

Holding one front paw off the ground, which may appear during uncertainty, anticipation, pointing, or social tension.

Focused GazeHead TurnPaused Movement

Social and Greeting Behaviors

Play Biting

Mouth contact that occurs during play and may become too hard, persistent, or poorly controlled.

Difficulty PausingGrabbing FurOpen-Mouth Play

Social and Greeting Behaviors

Play Bow

A lowered front end with the rear raised, commonly used to invite or maintain play.

Bouncy MovementFront Legs LoweredLoose Body

Training Concepts

Proofing

Proofing is the process of strengthening a learned behavior around gradually increasing distractions, duration, distance, and changes in context.

Breaks StayFixatingIgnores Cues