Lights Out Philly!
City lights can be especially deadly to migrating birds, particularly during peak periods of spring and autumn, as the bright lights disorient and confuse. Many large cities have recognized the problem and have agreed to dim bright city lights during these times.
A few studies in recent years have attempted to quantify the problem in the City of Philadelphia. Please watch this page for additional information. In the meantime, follow the links below for more information.