Cook County Butterflies
I am looking for a list and pictures of butterflies in
Cook County, Illinois. Can you help me?
I am not aware of a complete list of butterflies of Cook County, though
there are a number of people at Universities and in the volunteer networks
who are doing butterfly monitoring at restoration sites. You might contact
the Chicago office of the Nature Conservancy for information on local
monitoring. There are some excellent newer state and regional guides
available with good pictures.
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Update: June 2012