Audubon Magazine - Reflections of a Bird Collision Monitor
One of New York City’s little-known and mostly unseen wonders is that, in the dark of night during spring and fall, millions of birds fly directly over Manhattan on a migration path that their ancestors have been traveling for millennia. For some, the journey stops short here: Astonishingly, the city sees nearly 250,000 bird deaths from collisions with glass every year.
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