Alva Review-Courier -

WILLIAMSBURG, Va. (AP) — Every spring and fall in the city of Chicago comes a strange and terrible sort of carnage: sidewalks littered with the carcasses of birds.

Common birds, rare birds. Small birds, large birds. All victims of their anatomy, their migratory instinct and the skyscrapers built in their ancestral flyway along the shore of Lake Michigan.

So many dead birds, in fact, that they make up a major portion of the specimens in Chicago's prestigious Field Museum of Natural History.

"They've gone out early in the morning and collected even rare species that are migrating through," said...