Possible causes: Boredom, anxiety, territoriality, attention-seeking, lack of training, separation anxiety, noise sensitivity, medical conditions, breed predisposition, learned behavior.

Possible causes: Teething, boredom, anxiety, lack of exercise, separation anxiety, nutritional deficiencies, attention-seeking, insufficient chew toys, learned behavior, medical conditions.

Possible causes: Excitement, lack of training, improper equipment, breed predisposition, insufficient exercise, learned behavior, anxiety, territoriality, prey drive, lack of mental stimulation.

Possible causes: Fear, territoriality, resource guarding, lack of socialization, past trauma, pain, hormonal imbalances, breed predisposition, learned behavior, frustration.

Possible causes: Changes in routine, lack of independence training, past trauma, breed predisposition, over-attachment, boredom, fear, lack of exercise, insufficient mental stimulation, medical conditions.

Possible causes: Medical conditions, lack of training, anxiety, territorial marking, changes in routine, fear, excitement, insufficient potty breaks, cognitive dysfunction, submissive urination.

Possible causes: Excitement, attention-seeking, lack of training, breed predisposition, insufficient exercise, learned behavior, territoriality, dominance, anxiety, frustration.

Possible causes: Insecurity, past trauma, lack of socialization, breed predisposition, learned behavior, competition, fear, anxiety, territoriality, insufficient resources.

Possible causes: Boredom, anxiety, territoriality, hunting instincts, breed predisposition, seeking comfort, escaping, hiding resources, insufficient exercise, learned behavior.

Possible causes: Past trauma, lack of socialization, breed predisposition, genetic predisposition, anxiety, learned behavior, noise sensitivity, medical conditions, changes in environment, insufficient desensitization.