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

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

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

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

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

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

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

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 ...

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

Reports of dead birds washing up on beaches along Lake Michigan are sparking new fears over bird flu. Over the weekend, ...