Annette Prince, director of the Chicago Bird Collision Monitors picks up a dead red-breasted merganser at 35th Street Beach ...

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.

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 ...

As it mutates, the bird flu has seemingly been able to infect other bird species, pets, other kinds of animals and, on rare ...

H5N1 bird flu — have been found along the shores of Lake Michigan in the Chicago area, prompting warnings from area health ...

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.

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

The largest concentrations of sick mergansers were found Saturday at North Avenue Beach and Oak Street Beach. Other birds ...

The Milwaukee County Zoo has closed its Herb and Nada Mahler Family Aviary as a precautionary measure against avian influenza ...

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 ...