IBA Sites

Horicon Marsh, photo by Ryan Hagerty, USFWS

IBA State Map (with clickable IBAs)

IBA Site List, Alphabetical

IBA Site List by Regions

Region Maps:


IBA spatial data

A GIS layer of the IBA boundaries is now available.  To request a copy, please contact Craig Thompson at 608.785.1277, Craig.Thompson@wisconsin.gov. Please read our spatial data use statement.

There is no charge for IBA spatial data, but a donation to the IBA Endowment Fund is strongly encouraged in lieu of payment.