The Department of Natural Resources confirmed highly pathogenic avian influenza, or bird flu, was found in a merganser recovered in early February along the Lake Michigan shoreline in Milwaukee County.

"HPAI is a highly contagious virus that can be spread in various ways from flock to flock, including by wild birds, through contact with infected animals, by equipment, and on the

More than 300 dead geese and other waterfowl have been discovered in five counties, and bird flu is likely to blame, officials say.