What You Will See On Horicon Marsh
The following is a list of the most common wildlife seen at Horicon Marsh. Wildlife includes the insects, amphibians, reptiles, birds and mammals. Birds are among the most easily observed wildlife. Over the years, a total of 264 species of birds have been sighted at Horicon Marsh.  Horicon Marsh consists of 32,000 acres. The northern two-thirds is a national wildlife refuge, while the southern one-third is a state wildlife area managed by the Wisconsin DNR. It is predominantly cattail marsh and is managed primarily for ducks and geese. However, the abundant habitat attracts many non-game species. There are also a number of rare, threatened and endangered species. Bird watching and other wildlife observation is encouraged. Please obey all signs or check at the State and Federal headquarters for current regulations and opportunities.