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

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

Wildlife professionals and advocates are grappling with an avian influenza outbreak that seems to be growing more virulent ...

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

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

After multiple recent reports of ducks and geese washing up dead on Chicago's lakefront, Illinois wildlife officials tell ...

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.

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 ...

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.

It’s the latest in a string of deaths and infections in and around Chicago. Outbreaks of the virus, also called H5N1 or avian flu, have decimated poultry flocks and infected cattle herds nationwide.

Shoppers in some parts of the country are finding empty egg shelves in their local grocery stores. And some grocery stores ...