Environmentalists Petition to Put the Monarch Butterfly on the Endangered Species List as Its Population Plummets

By Richard Conniff

With Labor Day just ahead, people on both coasts and across the Great Plains should be celebrating the start of one of North America’s great migrations. The spectacle of monarch butterflies working their way back to their winter breeding grounds, across hundreds or thousands of miles, is the longest known insect migration on Earth.

It’s such a popular event, and the monarchs are so beautiful—their brilliant orange wings bordered with a black polka dot hem—that seven states have named monarch butterflies their state insect.

But this year, the parade is mostly canceled, and instead environmental groups have petitioned the United States Fish and Wildlife Service to list the monarch butterfly as a threatened species.

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