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

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

CHICAGO (CNN) - Chicago’s Lincoln Park Zoo is mourning the loss of two animals that died from bird flu. The zoo says a 7-year-old harbor seal named Slater died on Jan. 9, following the passing of a ...