Light bird mirror projections that move with the arc of the sun.
Outdoor Installations Sunbirds fly with sun reflections on an optical mirror; when the sun sets, video reflections send the lightbirds on a nighttime migration.
Interior Installations: Sunbirds Arise, Appear, and Dissolve with the Movement of the Sun in Architectural Space.
You can install them in different areas of your building, so they fly with the sun throughout the day. They can also be lit with electric lighting at night.