America's bird zoo is located in Pittsburgh, PA and fully accredited by the Association of Zoos and Aquariums (AZA). The National Aviary is the only non-profit, free-standing indoor facility in the U.S. which is wholly dedicated to avian exhibition, education, conservation, and the development and practice of leading-edge avian medicine. Our diverse collection consists of approximately 500 birds of 150 species from six continents.