Double-crested cormorants have been thrilling Chicagoans lucky enough to witness thousands of the birds streaming along the Lake Michigan shoreline — wave after wave, lasting for several minutes — as they migrate further north.

The Chicago Plan Commission will meet Thursday to discuss approval for quantum computing campus on former South Works steel plant site. 

While all eyes have been on next week’s presidential election, another important local race has flown under the radar. We’re talking about the vote for Chicago’s official bird.

Registration opens Saturday for the two-day festival set for Sept. 14-15. 

Bird-friendly window film is being installed on the convention center’s approximately two football fields’ worth of glass. Work on the $1.2 million project began in early June and is expected to take approximately three months.

Submissions are being accepted online through July 11. People can suggest up to four names, which should reflect Chicago’s heritage, culture and diversity.

What happens when an endangered bird nests in a hayfield set to be harvested? A great debate has been swirling in Northwest Indiana. 

Red-winged blackbirds, American robins, and sandhill cranes are among the species of birds Chicagoans have spotted in recent days on the leading edge of spring migration. But wait — according to the calendar, it’s still winter.

Monday’s meeting of the McPier board was dominated by discussion of the mass death of 1,000 birds in a single day, killed after colliding with McCormick Place. Bird conservationists want a solution in place by spring migration.

While the full tally of dead will never be known, wildlife advocates are certain of one thing: The vast majority of bird losses in the past week were preventable.

Chicago is one of the deadliest cities for migrating birds and Thursday’s “insane abundance of migratory action” led to “insane mortality,” birders said. The remedy is as simple as flipping off a light switch.

The snowy owl and the long-eared owl elicit the sort of reaction usually reserved for rock stars, including the intrusion of cameras into their personal space. Recent incidents involving aggressive photographers have reignited a debate over whether owls' locations should be shared publicly.

The radio antenna, positioned at Big Marsh Park on the Southeast Side, helps fill a Chicago-sized gap in a growing network of receivers that's tracking the movement of migratory birds and other animals.   

One of the country’s longest-running community science projects is about to get underway. We’ve got all the details on Audubon Society’s 122nd annual Christmas Bird Count, including how to join the effort. 

The sighting of a small-billed elaenia over the Thanksgiving holiday had bird lovers flocking to Waukegan from far and wide to catch a glimpse of this South American flycatcher, thousands of miles off course.

Chicago birdwatchers were treated to a rare glimpse of a wayward hummingbird at LaBagh Wood, far beyond its normal range of the U.S.-Mexico border.