All our companion birds are vulnerable to obesity if they don't get enough exercise and their diet is too rich in fats. Those most prone to putting on weight are Amazons, Galahs (Rose-breasted) and Budgies, but Cockatoos, Cockatiels and Quakers aren't far behind. Read our article about ways to keep your birds trim and learn about the plants that can help heal the liver of an over-weight bird in the August issue of Parrots magazine out now!