Officials say there is a bacterial infection known as duck disease. and it affects waterfowl but can also spread to other birds. Most of the birds have been found in Denver.

If you come across a dead waterfowl, you can report it to your local park.

If you have any questions call Colorado Park and Wildlife, the Northeast region, at 303-291-7227.

In the Pikes Peak area, you can contact the Southeast Region at 719-227-5200.