- The Tucson Bird Alliance (formerly known as the Tucson Audubon Society) is southern Arizona's leading non-profit organization dedicated to the recreation, education, conservation, and restoration of wild birds and their environments - Founded in 1949, the organization manages multiple wildlife centers, coordinates regional community science projects, and hosts a dedicated Nature Shop for local birding enthusiasts == Main Headquarters & Nature Shop : Located at 300 E. University Blvd #120, Tucson, AZ 85705. The Nature Shop sells field gear, optics, and field guides, operating Wednesday through Friday from 10:00 AM to 4:00 PM, and Saturday from 10:00 AM to 2:00 PM. == Mason Center : Located at 3835 W. Hardy Road, Tucson, AZ 85742. This 20-acre desert sanctuary features a half-mile walking loop trail, native demonstration gardens, and regular Saturday morning birdwalks. It is open daily from dawn to dusk. == Paton Center for Hummingbirds : Located at 477 Pennsy...