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

Roughly 200-300 ducks have been found dead in Chicago and the northern suburbs around Lake Michigan in recent days, according ...

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

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

Chicago Bird Collision Monitors advised residents who happen upon them to avoid handling birds with avian influenza symptoms ...

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

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 ...

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

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

Bird flu has descimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily change as influenza can rapidly change.