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.

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

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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 ...

Bird flu and the health risk to humans. How worried should we be? ABC7's Liz Nagy with the impact across the state.

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

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.

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

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

Don’t be a hero if you spot birds or animals showing signs of avian flu (dead or distressed birds, multiple signs of sickness ...

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