Feather plucking, also called feather destructive behavior, is one of the most common and distressing issues in pet birds. The causes fall into three broad categories: medical, psychological, and environmental.

Medical causes should be investigated first. Skin infections, feather follicle disease, parasites, liver disease, hormonal imbalances, heavy metal poisoning, and nutritional deficiencies can all trigger plucking. An avian veterinarian will typically run blood work, skin cultures, and possibly radiographs to rule out physical illness before assuming a behavioral origin.

Psychological causes include boredom, loneliness, anxiety, and chronic stress. Birds are highly intelligent social animals that need mental stimulation and companionship. A parrot left alone in a barren cage for long hours may turn to feather destruction as a coping mechanism. Changes in household routine, a new pet, a move, or the loss of a bonded companion can also trigger the behavior.

Environmental factors such as low humidity, poor air quality, exposure to tobacco smoke, inadequate sleep cycles, and lack of bathing opportunities contribute as well. Birds need ten to twelve hours of uninterrupted darkness for proper rest, and dry indoor air can make skin itchy.

Treatment depends on the root cause. Medical issues require veterinary intervention. Behavioral plucking improves with enrichment strategies like foraging toys, shredding materials, regular social interaction, and a consistent daily routine. Increasing humidity, providing bathing opportunities, and ensuring a balanced pellet-based diet with fresh vegetables also help.

Avoid using collars or punishment, as these increase stress. Work with an avian behaviorist if plucking persists despite addressing obvious triggers.