The Abersaith Aviary was an exotic bird preserve located in an enclosed canyon and was one of Corulag's primary tourist attractions. The immense Abersaith Canyon was kilometers wide in spots and two dozen kilometers long. The aviary was home to some twenty million species of birds culled from a variety of worlds. Many were kept in specific artificial ecosystems separated by weak repulsor fields. The top of the canyon was separated by weak repulsor fields and enormous canopies of transparisteel.