Rare Butterflies Fluttering Into Illinois - NBC Chicago

    Rare Butterflies Fluttering Into Illinois

    The Baltimore Checkerspot is a butterfly that is in danger of becoming extinct. Biologists at The Nature Museum are trying to stop that from happening. (Published Thursday, Jun 23, 2011) The Baltimore Checkerspot is a butterfly that is in danger of becoming extinct. Biologists at The Nature Museum are trying to stop that from... See More