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(terry priest / Flickr)

You’re not crazy. A local expert says people are seeing “substantially more flashing activity in the evening.” He tells us why there are so many of our favorite summertime bug – and why they light up.

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The population of the monarch butterfly -- seen here in Chicago's Grant Park -- has declined by more than 80 percent over the past two decades. A 2016 study claims the decline of milkweed plants in the Midwest is a contributing factor. (Oriol Gascón i Cabestany / Flickr)

Their annual migration from North America to Mexico has been called “one of the most spectacular natural phenomena in the world,” but the monarch butterfly is not only in decline – it’s closer to extinction than previously thought, research shows.

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