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

The outbreak started in December and has now spread from a few reports in the suburbs to hundreds in the city, along Lake ...

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

Wisconsin Public Radio Wisconsin wildlife officials have identified the highly contagious avian influenza virus in wild ducks ...

Dozens of dead and sick birds are washing ashore on Lake Michigan beaches in Illinois and Wisconsin, suspected of having the bird flu, according to state officials.

Avian influenza spreads in birds, cows and other animals, and it can sometimes spread to people. In the United States, there ...

The red-breasted merganser is a species of diving duck that typically winters in ... They come here to the Lake Michigan area to winter, and they’re out in big flocks out on the lake.

The warmer weather and melting ice along Lake Michigan, which has opened up new ... The majority of waterfowl were red-breasted mergansers, a diving duck also known as the sawbill.