High above Chicago, in the predawn dark, flew an airborne river of migratory birds. It was peak spring migration traffic, in late April, and the tiny travelers were arriving at one of the most perilous points along their journey.
These birds, inhabitants of forests and grasslands, do not perceive glass as solid and get confused by its reflections. Bright city lights seem to attract them, luring them into glassy canyons. The gleaming buildings of Chicago, curving along the shore of Lake Michigan, are especially lethal.
High above Chicago, in the predawn dark, flew an airborne river of migratory birds. It was peak spring migration traffic, in late April, and the tiny travelers were arriving at one of the most perilous points along their journey.
These birds, inhabitants of forests and grasslands, do not perceive glass as solid and get confused by its reflections. Bright city lights seem to attract them, luring them into glassy canyons. The gleaming buildings of Chicago, curving along the shore of Lake Michigan, are especially lethal.
tl;dr: They printed a pattern of dots onto the windows.
Great that all that’s needed is a cheap simple hack to fix the issue. Makes it easier for others to implement.
Pic for those interested:
