General Lavalle, Buenos Aires, Argentina; 16 January 2010 © Christopher Wood. The Monk Parakeet is a noisy, green-and-gray parrot of open country in southern South America.It occurs from southern Bolivia and southern Brazil south through central Argentina. This species is green overall, with a gray face and breast, blue primaries and outer secondaries, and a flesh-colored bill.eneral Lavalle, Buenos Aires, Argentina; 16 January 2010 © Christopher Wood. The Monk Parakeet is a noisy, green-and-gray parrot of open country in southern South America.