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

Annette Prince, director of the Chicago Bird Collision Monitors picks up a dead red-breasted merganser at 35th Street Beach ...

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 ...

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

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

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

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

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.

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