Toucans and toucanettes have a high moisture diet and a relatively short digestive tract, which make for a very quick transit time of food through their digestive tract. Hemochromatosis, or iron storage disease, in toucans and toucanettes has long been suspected to be related to high dietary iron. Current dietary recommendations are for diets low in iron. In addition to a low-iron containing pellet, toucans and toucanettes should be offered a large variety of diced fruits. Fresh clean water must be available at all times.
Lipomas are fatty tumors that affect a variety of pet birds. These are typically benign fatty growths found under the skin. It is classically considered to have both a nutritional and genetic factor for development.
Xanthomas are discrete masses or diffuse, thickened areas of skin that are yellow-orange and dimpled in appearance. They are accumulations of fat and cholesterol and are most commonly found in cockatiels and budgies (and they are more often found in females).