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

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

Where has bird flu been reported in Illinois? Are my pets at risk? Should I still be eating eggs? Here’s what to know about ...

Bird flu has decimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily ...

The nationwide spread of highly pathogenic avian influenza, HPAI, also known as avian or bird flu, has many in Illinois concerned about livestock, ...