Festival gives monarch butterflies royal treatment

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PALOS HEIGHTS, Ill. -- Just on the edge of a peaceful prairie,  is the royal treatment at this year’s monarch butterfly festival.

For years the butterflies served as a centerpiece for this festival. On Sunday they also served as a lesson in ecology. Their annual 3,000-mile trek from Mexico in the spring to the Chicago area in the summer is in danger, as herbicides take a toll on milkweed, on which monarchs lay their eggs.

The festival in Palos Heights, Ill.,  is one of a few in the country that celebrate the monarch, as they reach down and touch the younger generation.