The different plants and animals adapted to live in several layers of the rainforest.
What Is Parrot Fever? Parrot fever, also called parrot disease and psittacosis, is very rare. According to the Centers for Disease Control and Prevention, there have been fewer than 50 confirmed cases per year in the United States since 1996, although many cases may have gone undiagnosed or unreported (CDC).
Best Answer: The bird percieves an illness as anything that it not normal in the way it lives. If the bird has been in a cage all it's life it will percieve the cage as being it's natural environment, and therefore percieve any other actions or surroundings, such as flying, as abnormal, or an illness.