Feather loss refers to the shedding or loss of feathers in birds, which can occur naturally or due to various health issues. Birds typically molt, a natural process where they lose old feathers to make way for new growth. However, excessive feather loss can indicate problems such as parasites, infections, or nutritional deficiencies. In some cases, feather loss may also be caused by environmental stressors, such as changes in temperature or habitat. It's important for bird owners to monitor their pets for signs of feather loss and consult a veterinarian if they notice unusual patterns, as this can help identify underlying health concerns.