Important Bird Areas

Little Bay de Noc (inc. Portage Marsh & Aronson Island sandbar)


Open water sheltered bay of Lake Michigan.

Ornithological Summary

Stopover supporting thousands of individual waterfowl each April.

Conservation Issues

Invasive species, botulism, and wind turbine development are most immediate threats.


Public ownership.


Open water of Lake Michigan.

Land Use

Commercial fishing and human recreational use predominate.