Reasons For Hope IUCN has designated the monarch migration a threatened phenomenon. In 1986, the Mexican government created the Monarch Butterfly Biosphere Reserve which protects 62 square miles of forests in the Sierra Madres where hundreds of million of monarchs spend each winter. The Biosphere Reserve was expanded to include 217 square miles in 2000. Local organizations are also working to stop the illegal harvesting of trees on the reserve to protect wintering habitat.
Posted on: Wed, 07 Jan 2015 02:01:08 +0000
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