Eaglets were observed in a Chicago cemetery and at a Southeast Side park this spring, marking a historic milestone.

Add Yahoo as a preferred source to see more of our stories on Google. CHICAGO — For more than 40 years, migrating birds have been crashing into McCormick Place Lakeside Center. The glassy, low-lying ...

Most birds migrate over Chicago at night. A new network of acoustic monitors is tracking their movements by listening for ...

Residents and businesses in the Chicago area are being asked to take steps to protect vulnerable birds as migration alerts are issued Tuesday. Researchers at CornellLab, along with Colorado State ...

CHICAGO — As the calendar turns from winter to spring and the weather begins to warm in the Midwest — well, at least it’s supposed to warm — millions of birds representing hundreds of species will ...

Millions of birds crossed over Illinois overnight in their spring migration, and “Migration Alerts” are active as those flights will continue. According to Birdcast, more than 22 million birds crossed ...

Chicago's McCormick Place is in the middle of a major migratory bird path, and its' lakeside building will soon have bird safe decals that could prevent thousands of bird collisions and death. Twice a ...

A total of 10,836 birds are known to have died last year after crashing into the windows of Chicago-area buildings, and artist Holly Greenberg intends to display a life-sized replica of each and every ...

CHICAGO (AP) — With a neon-green net in hand, Annette Prince briskly walks a downtown Chicago plaza at dawn, looking left and right as she goes. It’s not long before she spots a tiny yellow bird ...

CHICAGO — With a neon-green net in hand, Annette Prince briskly walks a downtown Chicago plaza at dawn, looking left and right as she goes. It’s not long before she spots a tiny yellow bird sitting on ...

Twice a year, millions of birds migrate north in the spring to breed, then fly south for the winter. And in Chicago, thousands die every year when they fly into glass buildings. But Juanpablo ...