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milkweed

The Monarch Highway

August 24, 2017 By EarthWise

The Monarch Highway https://earthwiseradio.org/wp-content/uploads/2017/08/EW-08-24-17-The-Monarch-Highway.mp3

We have talked about the monarch butterfly on a number of occasions.  The population of these iconic orange and black butterflies in North America has plummeted from 1 billion to 33 million over the past 20 years.  People have undertaken a variety of efforts to try to save the species but now a major project to restore the dwindling habitat of the monarch is underway.

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Some Good News For Monarchs

April 20, 2016 By Nationally Produced Shows

Some Good News For Monarchshttps://earthwiseradio.org/wp-content/uploads/2016/04/EW-04-20-16-Good-News-for-Monarchs.mp3

Spring is the time of the great monarch migration when the butterflies leave their wintering grounds in Mexico and head north to Canada.  As we have been saying for quite some time, fewer and fewer butterflies have been making the trek each year.  Twenty years ago, a billion monarchs swarmed the winter site in Mexico.  In 2013, the number was down to 33 million.

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Fir Trees And Butterflies

February 23, 2016 By Nationally Produced Shows

Fir Trees And Butterflieshttps://earthwiseradio.org/wp-content/uploads/2016/02/EW-02-23-16-Fir-Trees-and-Butterflies.mp3

We have done a number of stories about the sad state of the monarch butterfly and how their numbers have dropped from a billion to only 33 million as of a couple of years ago.  Biologists in the U.S. have been trying to restore the summer habitat of the butterflies by urging the planting of milkweed, which is the primary host plants for monarch butterfly caterpillars.

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Missing Monarchs

August 17, 2015 By EarthWise

monarch

https://earthwiseradio.org/wp-content/uploads/2015/07/EW-08-17-15-Missing-Monarchs.mp3

We have talked about monarch butterflies before. The orange and black butterflies are often used in school lessons about insect ecology. Monarch caterpillars forage exclusively on milkweed; in the process they acquire foul-tasting chemicals that ward off predators. In late summer, monarchs living in the Eastern U.S. migrate to overwintering grounds in Mexico.

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