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.
Chlamydia psittaci is a bacterium that can be transmitted from pet birds to humans. In humans, the resulting infection is referred to as psittacosis (also known as parrot fever and ornithosis).Psittacosis typically causes influenza-like symptoms and can lead to severe pneumonia and nonrespiratory health problems.sittacosis --- also known as parrot fever and ornithosis --- is spread by a bacterial infection of birds that can cause severe pneumonia and other serious health problems among humans.