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

(CBS) --Indiana wildlife officials were testing ... This week, bird monitors also collected dead ducks on 31st Street Beach in Chicago on Tuesday and Wednesday. "We've been getting hundreds ...

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.

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

Officials suspect that highly contagious bird flu is the cause of the illnesses found in the mergansers, a species of diving ...

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

More than 40 dead ducks were found along the shore at Whihala Beach this week, some frozen into the ice shelf along Lake ...

The bird organization told NBC 5 Chicago that around 200 to 300 infected mergansers were reported between Friday and Sunday. The sight of ducks floating ... bird groups and wildlife lovers.