For one night every year, 88 Manhattan searchlights beam two columns of light toward the heavens. These “phantom towers,” known as the Tribute in Light, are an annual reminder of the thousands who died in the 2001 terrorist attacks.
But these ethereal lights are also a beacon for migrating birds.
Like bugs to a streetlight, they’re drawn in from far off paths. The birds — warblers and cuckoos and scarlet tanagers and Baltimore orioles and many more — circle endlessly, expending much ne