The sources of exposure are unclear, but officials said it was almost certainly from contact with an infected waterfowl.

A pair of “amazing animals” — a harbor seal and a Chilean flamingo — have died of bird flu at the Lincoln Park Zoo in Illinois, officials say. Their deaths came within a day of each other, the Chicago ...

Lincoln Park Zoo says testing has confirmed that “highly pathogenic avian influenza,” the bird flu, was the cause of death ...