IBA Site Information

Big Marsh

State IBA

Butler County

Directions: 4 miles south of Allison on Iowa Highway 14.

Description: It is very important to the bald eagles in the entire county. It is a major stop-off for all migrating waterfowl. Sandhill cranes nest here, and Big Marsh has a high diversity of breeding birds because of the variety of habitats that exist within it.

Criteria for this site
Endangered or threatened species habitat
High conservation priority
Rare or unique habitat
Significant species concentrations
Research and monitoring

Habitats found in this site
Wetland
Woodland
Grassland
Savanna/Shrub
Riparian

Ownership
State

Criteria Species Data for this Site
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