Nation & World News

Strange blobs on radar are butterlies

Creatures are migrating south
By Rick Couri
Sept 25, 2014

The enormous mass of butterflies showed up as blue forms on the St. Louis office of the National Weather Service.

"Good luck and a safe journey to these amazing little creatures on their long journey south," the organization said on their Facebook page.

It’s believed millions of the orange and black creatures are making their way from the US to Mexico, where they will stay for the winter.

Extreme weather was said to have made the Monarch's summer difficult. Drought and a cold winter severely limited the insect’s primary food source, milkweed.

It’s been a big year for bugs and radar.

New Mexico grasshoppers and mayflies in Wisconsin have also been seen. The frequent sightings has led to "aeroecology." That’s the terminology being used to follow the movement of bats, birds, and other winged critters.

More here.

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Rick Couri

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