Why Is My Bird Losing Feathers? Moulting vs Plucking

Feather loss is one of the most common worries keepers raise, and it has three very different explanations. Identifying which one you are looking at determines everything that follows.

Normal moulting

Birds replace their feathers periodically, typically once or twice a year. A normal moult is symmetrical — matching feathers drop from both wings — and you will find whole feathers with clean shafts around the cage.

You will also see pin feathers: new growth in a waxy sheath, which can look alarming but is entirely normal. Birds are often irritable and tired during a moult; this is one of the most demanding periods of their year and they need extra protein and rest.

Feather plucking

Plucking is behavioural and looks quite different. The head and neck stay perfectly feathered — because a bird cannot reach there — while the chest, legs and under the wings are bare or ragged. Feathers are chewed or broken rather than shed whole.

Common causes are boredom, loneliness, too small a cage, an inconsistent day-night cycle, or a recent change in the household. Parrots are intelligent and social; plucking is often the visible symptom of an under-stimulated bird.

Addressing it means more foraging opportunity, more interaction, rotating toys, and a reliable routine with a proper dark sleeping period. It is much easier to prevent than to reverse once habitual.

Mites and parasites

Suspect parasites if the bird is restless at night, scratching persistently, or has scaly patches around the beak and legs. Mites are often easiest to detect after dark with a torch.

This one is straightforward to treat with an appropriate spray or treatment, and worth ruling out early because it is cheap to fix.

Illness and nutrition

Feather loss with fluffed posture, weight loss, changed droppings or lethargy points to a medical problem and needs proper attention rather than a change of toys.

Chronic poor feather quality — dull, brittle, slow to regrow — often reflects long-term diet, particularly an all-seed diet short on protein and vitamin A.

Deciding what to do

Symmetrical loss with whole feathers and a bird behaving normally is a moult: support it with better nutrition and leave it alone. Bare body with a perfect head is behavioural. Scratching and night restlessness suggests parasites. Feather loss alongside any other symptom of illness should be treated as medical.

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