PDD is also known as Macaw Wasting Syndrome and Parrot Wasting Syndrome. of 05. Psittacosis or Parrot Fever is a form of the Chlamydia bacterium that can affect all hookbills. The disease is highly contagious and can be passed from birds to other animals, including humans. Symptoms of Psittacosis include difficulty in breathing, eye infections, and inflammation, loose, watery droppings, and general lethargy. of 05. PBFD is a serious illness that can affect all members of the parrot family.