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 ...

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

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

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 version of the virus, known as D1.1, was confirmed in Nevada, the USDA said. It was detected in milk collected as part of a surveillance program. At least 67 people in the U.S. have been ...

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

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 ...

In an announcement, the zoo said the closure "is out of an abundance of caution meant to protect our avian population from ...