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

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

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

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

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

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

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

Hundreds of red-breasted mergansers have been affected by a bird flu outbreak on Chicago's Lake Michigan shoreline, raising ...

Hundreds of red-breasted mergansers have been found either dead or sick over the past few days along Lake Michigan in Chicago ...

CHICAGO (CBS) -- Two animals at the Lincoln Park Zoo — a seal and a flamingo — died of bird flu last week, the zoo announced Wednesday. The Chilean flamingo, Teal, died Wednesday, Jan. 8.

Tarik Shahzad logged 294 birds last year, a new record to Cook County, which is a hot spot for bird-watching in the Midwest.

Chicago Bird Collision Monitors, a volunteer conservation group, began receiving reports Friday from people finding “large numbers” of mergansers along the shores from Hyde Park to Wilmette ...