While it's tragic and alarming to see a massive die-off, it's not uncommon for birds that travel in such large populations.

The infected birds "present with tremors and little ability to move," said a local conservation group tracking the outbreak.

Afternoon Edition Know your city better. Today’s most important Chicago news, straight to your inbox – delivered weekday ...

Egg purchases at a Costco in suburban Mount Prospect are being limited by the store as a bird flu outbreak has led to ...

Officials urged residents of the Chicago area not to touch -- or let their pets touch -- dead or sick birds as a bird flu ...

CHICAGO - The avian flu outbreak that has killed millions of chickens nationwide, driving up the price of eggs, is now ...

When she took her dog out to Oak Street Beach on their morning walk Sunday, Portia Belloc Lowndes came across a scene that ...

Where has bird flu been reported in Illinois? Are my pets at risk? Should I still be eating eggs? Here’s what to know about ...

Some bakeries and restaurants around the Chicago area have already been left shell-shocked by raising egg prices.

Monitors with an area bird tracking organization say that they've determined that a number of ducks have succumbed to bird flu​ along Lake Michigan.

Hundreds of dead or sick red-breasted mergansers have been found along Lake Michigan, sparking bird flu concerns.

A new type of bird flu has been detected in dairy cattle in Nevada, according to the USDA. The strain is different from the ...