Texas is essential for migratory birds, with millions soaring across our Lone Star skies every spring and fall. Most birds migrate at night, and brightly lit buildings can confuse and disorient them on their journey, resulting in deadly collisions. In the US, as many as 1 billion birds die from collisions with buildings every year! Because of light pollution, the DFW metroplex is the 3rd most dangerous area in the United States for migratory birds to travel through.