Life Sciences Commons^™

Bright Lights, Big City, Dead Birds

Fatal Light Awareness Program (FLAP)

Hundreds of species of birds migrate at night. If the skies are clear and their path is moonlit these migrants will often fly at high altitudes avoiding any possible obstructions. But the lights of 20th century society can be confusing to them, especially on foggy, rainy nights or when cloud cover is low. Then they may fly directly into tall lighted structures such as skyscrapers, transmission towers, monuments, lighthouses and the like. Where spotlights are shone into the night sky the birds fly "into" the light and become "entrapped", unable or unwilling to fly out again. Eventually, exhausted, they fall …