Register for FREE to remove ads and unlock more features! Learn more. The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces.
Parrots hold the scientific name of psittacines. They also belong  to the Psittacidae order of classification, which consists of birds  living in tropical and subtropical cl â¦ imates.he phylum is chordata, the class is aves and the order is psittaciformes.
(July 2014). Psittacosis â also known as parrot fever, and ornithosis â is a zoonotic infectious disease caused by a bacterium called Chlamydia psittaci and contracted from parrots, such as macaws, cockatiels and budgerigars, and pigeons, sparrows, ducks, hens, gulls and many other species of bird.he incidence of infection in canaries and finches is believed to be lower than in psittacine birds. In certain contexts, the word psittacosis is used when the disease is carried by any species of bird belonging to the Psittacidae family, whereas ornithosis is used when other birds carry the disease.