While many owners believe parasites are common causes of skin disorders and feather loss in birds, this is usually not the case. However, Knemidokoptic mange, also called cere mites or scaly face is a relatively common disorder, particularly in some of the smaller species of birds.
Unlike dogs and cats, parasites are not commonly diagnosed in pet birds. When present, however, they can cause generalized debilitation for the birds. Some parasites cause specific clinical conditions.